20965230

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1$

素因数の和:224

約数の個数: 160

約数和(自身を含む): 66594528

約数和(自身を除く): 45629298

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 13, 15, 18, 22, 26, 27, 30, 33, 39, 45, 54, 55, 65, 66, 78, 81, 90, 99, 110, 117, 130, 135, 143, 162, 165, 181, 195, 198, 234, 270, 286, 297, 330, 351, 362, 390, 405, 429, 495, 543, 585, 594, 702, 715, 810, 858, 891, 905, 990, 1053, 1086, 1170, 1287, 1430, 1485, 1629, 1755, 1782, 1810, 1991, 2106, 2145, 2353, 2574, 2715, 2970, 3258, 3510, 3861, 3982, 4290, 4455, 4706, 4887, 5265, 5430, 5973, 6435, 7059, 7722, 8145, 8910, 9774, 9955, 10530, 11583, 11765, 11946, 12870, 14118, 14661, 16290, 17919, 19305, 19910, 21177, 23166, 23530, 24435, 25883, 29322, 29865, 35295, 35838, 38610, 42354, 48870, 51766, 53757, 57915, 59730, 63531, 70590, 73305, 77649, 89595, 105885, 107514, 115830, 127062, 129415, 146610, 155298, 161271, 179190, 190593, 211770, 232947, 258830, 268785, 317655, 322542, 381186, 388245, 465894, 537570, 635310, 698841, 776490, 806355, 952965, 1164735, 1397682, 1612710, 1905930, 2096523, 2329470, 3494205, 4193046, 6988410, 10482615, 20965230]

約数ペア:

[(1, 20965230), (2, 10482615), (3, 6988410), (5, 4193046), (6, 3494205), (9, 2329470), (10, 2096523), (11, 1905930), (13, 1612710), (15, 1397682), (18, 1164735), (22, 952965), (26, 806355), (27, 776490), (30, 698841), (33, 635310), (39, 537570), (45, 465894), (54, 388245), (55, 381186), (65, 322542), (66, 317655), (78, 268785), (81, 258830), (90, 232947), (99, 211770), (110, 190593), (117, 179190), (130, 161271), (135, 155298), (143, 146610), (162, 129415), (165, 127062), (181, 115830), (195, 107514), (198, 105885), (234, 89595), (270, 77649), (286, 73305), (297, 70590), (330, 63531), (351, 59730), (362, 57915), (390, 53757), (405, 51766), (429, 48870), (495, 42354), (543, 38610), (585, 35838), (594, 35295), (702, 29865), (715, 29322), (810, 25883), (858, 24435), (891, 23530), (905, 23166), (990, 21177), (1053, 19910), (1086, 19305), (1170, 17919), (1287, 16290), (1430, 14661), (1485, 14118), (1629, 12870), (1755, 11946), (1782, 11765), (1810, 11583), (1991, 10530), (2106, 9955), (2145, 9774), (2353, 8910), (2574, 8145), (2715, 7722), (2970, 7059), (3258, 6435), (3510, 5973), (3861, 5430), (3982, 5265), (4290, 4887), (4455, 4706)]