20347470

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:88

約数の個数: 256

約数和(自身を含む): 69672960

約数和(自身を除く): 49325490

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 13, 15, 17, 18, 22, 26, 27, 30, 31, 33, 34, 39, 45, 51, 54, 55, 62, 65, 66, 78, 85, 90, 93, 99, 102, 110, 117, 130, 135, 143, 153, 155, 165, 170, 186, 187, 195, 198, 221, 234, 255, 270, 279, 286, 297, 306, 310, 330, 341, 351, 374, 390, 403, 429, 442, 459, 465, 495, 510, 527, 558, 561, 585, 594, 663, 682, 702, 715, 765, 806, 837, 858, 918, 930, 935, 990, 1023, 1054, 1105, 1122, 1170, 1209, 1287, 1326, 1395, 1430, 1485, 1530, 1581, 1674, 1683, 1705, 1755, 1870, 1989, 2015, 2046, 2145, 2210, 2295, 2418, 2431, 2574, 2635, 2790, 2805, 2970, 3069, 3162, 3315, 3366, 3410, 3510, 3627, 3861, 3978, 4030, 4185, 4290, 4433, 4590, 4743, 4862, 5049, 5115, 5270, 5610, 5797, 5967, 6045, 6138, 6435, 6630, 6851, 7254, 7293, 7722, 7905, 8370, 8415, 8866, 9207, 9486, 9945, 10098, 10230, 10881, 11594, 11934, 12090, 12155, 12870, 13299, 13702, 14229, 14586, 15345, 15810, 16830, 17391, 18135, 18414, 19305, 19890, 20553, 21762, 21879, 22165, 23715, 24310, 25245, 26598, 28458, 28985, 29835, 30690, 34255, 34782, 36270, 36465, 38610, 39897, 41106, 43758, 44330, 46035, 47430, 50490, 52173, 54405, 57970, 59670, 61659, 65637, 66495, 68510, 71145, 72930, 75361, 79794, 86955, 92070, 102765, 104346, 108810, 109395, 119691, 123318, 131274, 132990, 142290, 150722, 156519, 173910, 184977, 199485, 205530, 218790, 226083, 239382, 260865, 308295, 313038, 328185, 369954, 376805, 398970, 452166, 521730, 598455, 616590, 656370, 678249, 753610, 782595, 924885, 1130415, 1196910, 1356498, 1565190, 1849770, 2034747, 2260830, 3391245, 4069494, 6782490, 10173735, 20347470]

約数ペア:

[(1, 20347470), (2, 10173735), (3, 6782490), (5, 4069494), (6, 3391245), (9, 2260830), (10, 2034747), (11, 1849770), (13, 1565190), (15, 1356498), (17, 1196910), (18, 1130415), (22, 924885), (26, 782595), (27, 753610), (30, 678249), (31, 656370), (33, 616590), (34, 598455), (39, 521730), (45, 452166), (51, 398970), (54, 376805), (55, 369954), (62, 328185), (65, 313038), (66, 308295), (78, 260865), (85, 239382), (90, 226083), (93, 218790), (99, 205530), (102, 199485), (110, 184977), (117, 173910), (130, 156519), (135, 150722), (143, 142290), (153, 132990), (155, 131274), (165, 123318), (170, 119691), (186, 109395), (187, 108810), (195, 104346), (198, 102765), (221, 92070), (234, 86955), (255, 79794), (270, 75361), (279, 72930), (286, 71145), (297, 68510), (306, 66495), (310, 65637), (330, 61659), (341, 59670), (351, 57970), (374, 54405), (390, 52173), (403, 50490), (429, 47430), (442, 46035), (459, 44330), (465, 43758), (495, 41106), (510, 39897), (527, 38610), (558, 36465), (561, 36270), (585, 34782), (594, 34255), (663, 30690), (682, 29835), (702, 28985), (715, 28458), (765, 26598), (806, 25245), (837, 24310), (858, 23715), (918, 22165), (930, 21879), (935, 21762), (990, 20553), (1023, 19890), (1054, 19305), (1105, 18414), (1122, 18135), (1170, 17391), (1209, 16830), (1287, 15810), (1326, 15345), (1395, 14586), (1430, 14229), (1485, 13702), (1530, 13299), (1581, 12870), (1674, 12155), (1683, 12090), (1705, 11934), (1755, 11594), (1870, 10881), (1989, 10230), (2015, 10098), (2046, 9945), (2145, 9486), (2210, 9207), (2295, 8866), (2418, 8415), (2431, 8370), (2574, 7905), (2635, 7722), (2790, 7293), (2805, 7254), (2970, 6851), (3069, 6630), (3162, 6435), (3315, 6138), (3366, 6045), (3410, 5967), (3510, 5797), (3627, 5610), (3861, 5270), (3978, 5115), (4030, 5049), (4185, 4862), (4290, 4743), (4433, 4590)]