20313810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1$

素因数の和:129

約数の個数: 144

約数和(自身を含む): 62068032

約数和(自身を除く): 41754222

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 17, 18, 22, 30, 33, 34, 45, 51, 55, 66, 71, 85, 90, 99, 102, 110, 142, 153, 165, 170, 187, 198, 213, 255, 289, 306, 330, 355, 374, 426, 495, 510, 561, 578, 639, 710, 765, 781, 867, 935, 990, 1065, 1122, 1207, 1278, 1445, 1530, 1562, 1683, 1734, 1870, 2130, 2343, 2414, 2601, 2805, 2890, 3179, 3195, 3366, 3621, 3905, 4335, 4686, 5202, 5610, 6035, 6358, 6390, 7029, 7242, 7810, 8415, 8670, 9537, 10863, 11715, 12070, 13005, 13277, 14058, 15895, 16830, 18105, 19074, 20519, 21726, 23430, 26010, 26554, 28611, 31790, 35145, 36210, 39831, 41038, 47685, 54315, 57222, 61557, 66385, 70290, 79662, 95370, 102595, 108630, 119493, 123114, 132770, 143055, 184671, 199155, 205190, 225709, 238986, 286110, 307785, 369342, 398310, 451418, 597465, 615570, 677127, 923355, 1128545, 1194930, 1354254, 1846710, 2031381, 2257090, 3385635, 4062762, 6771270, 10156905, 20313810]

約数ペア:

[(1, 20313810), (2, 10156905), (3, 6771270), (5, 4062762), (6, 3385635), (9, 2257090), (10, 2031381), (11, 1846710), (15, 1354254), (17, 1194930), (18, 1128545), (22, 923355), (30, 677127), (33, 615570), (34, 597465), (45, 451418), (51, 398310), (55, 369342), (66, 307785), (71, 286110), (85, 238986), (90, 225709), (99, 205190), (102, 199155), (110, 184671), (142, 143055), (153, 132770), (165, 123114), (170, 119493), (187, 108630), (198, 102595), (213, 95370), (255, 79662), (289, 70290), (306, 66385), (330, 61557), (355, 57222), (374, 54315), (426, 47685), (495, 41038), (510, 39831), (561, 36210), (578, 35145), (639, 31790), (710, 28611), (765, 26554), (781, 26010), (867, 23430), (935, 21726), (990, 20519), (1065, 19074), (1122, 18105), (1207, 16830), (1278, 15895), (1445, 14058), (1530, 13277), (1562, 13005), (1683, 12070), (1734, 11715), (1870, 10863), (2130, 9537), (2343, 8670), (2414, 8415), (2601, 7810), (2805, 7242), (2890, 7029), (3179, 6390), (3195, 6358), (3366, 6035), (3621, 5610), (3905, 5202), (4335, 4686)]