20751390

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1$

素因数の和:184

約数の個数: 160

約数和(自身を含む): 64921824

約数和(自身を除く): 44170434

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 17, 18, 22, 27, 30, 33, 34, 45, 51, 54, 55, 66, 81, 85, 90, 99, 102, 110, 135, 137, 153, 162, 165, 170, 187, 198, 255, 270, 274, 297, 306, 330, 374, 405, 411, 459, 495, 510, 561, 594, 685, 765, 810, 822, 891, 918, 935, 990, 1122, 1233, 1370, 1377, 1485, 1507, 1530, 1683, 1782, 1870, 2055, 2295, 2329, 2466, 2754, 2805, 2970, 3014, 3366, 3699, 4110, 4455, 4521, 4590, 4658, 5049, 5610, 6165, 6885, 6987, 7398, 7535, 8415, 8910, 9042, 10098, 11097, 11645, 12330, 13563, 13770, 13974, 15070, 15147, 16830, 18495, 20961, 22194, 22605, 23290, 25245, 25619, 27126, 30294, 34935, 36990, 40689, 41922, 45210, 50490, 51238, 55485, 62883, 67815, 69870, 75735, 76857, 81378, 104805, 110970, 122067, 125766, 128095, 135630, 151470, 153714, 188649, 203445, 209610, 230571, 244134, 256190, 314415, 377298, 384285, 406890, 461142, 610335, 628830, 691713, 768570, 943245, 1152855, 1220670, 1383426, 1886490, 2075139, 2305710, 3458565, 4150278, 6917130, 10375695, 20751390]

約数ペア:

[(1, 20751390), (2, 10375695), (3, 6917130), (5, 4150278), (6, 3458565), (9, 2305710), (10, 2075139), (11, 1886490), (15, 1383426), (17, 1220670), (18, 1152855), (22, 943245), (27, 768570), (30, 691713), (33, 628830), (34, 610335), (45, 461142), (51, 406890), (54, 384285), (55, 377298), (66, 314415), (81, 256190), (85, 244134), (90, 230571), (99, 209610), (102, 203445), (110, 188649), (135, 153714), (137, 151470), (153, 135630), (162, 128095), (165, 125766), (170, 122067), (187, 110970), (198, 104805), (255, 81378), (270, 76857), (274, 75735), (297, 69870), (306, 67815), (330, 62883), (374, 55485), (405, 51238), (411, 50490), (459, 45210), (495, 41922), (510, 40689), (561, 36990), (594, 34935), (685, 30294), (765, 27126), (810, 25619), (822, 25245), (891, 23290), (918, 22605), (935, 22194), (990, 20961), (1122, 18495), (1233, 16830), (1370, 15147), (1377, 15070), (1485, 13974), (1507, 13770), (1530, 13563), (1683, 12330), (1782, 11645), (1870, 11097), (2055, 10098), (2295, 9042), (2329, 8910), (2466, 8415), (2754, 7535), (2805, 7398), (2970, 6987), (3014, 6885), (3366, 6165), (3699, 5610), (4110, 5049), (4455, 4658), (4521, 4590)]