20886030

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{73}}^1$

素因数の和:131

約数の個数: 144

約数和(自身を含む): 63792144

約数和(自身を除く): 42906114

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 17, 18, 22, 30, 33, 34, 45, 51, 55, 66, 73, 85, 90, 99, 102, 110, 146, 153, 165, 170, 187, 198, 219, 255, 289, 306, 330, 365, 374, 438, 495, 510, 561, 578, 657, 730, 765, 803, 867, 935, 990, 1095, 1122, 1241, 1314, 1445, 1530, 1606, 1683, 1734, 1870, 2190, 2409, 2482, 2601, 2805, 2890, 3179, 3285, 3366, 3723, 4015, 4335, 4818, 5202, 5610, 6205, 6358, 6570, 7227, 7446, 8030, 8415, 8670, 9537, 11169, 12045, 12410, 13005, 13651, 14454, 15895, 16830, 18615, 19074, 21097, 22338, 24090, 26010, 27302, 28611, 31790, 36135, 37230, 40953, 42194, 47685, 55845, 57222, 63291, 68255, 72270, 81906, 95370, 105485, 111690, 122859, 126582, 136510, 143055, 189873, 204765, 210970, 232067, 245718, 286110, 316455, 379746, 409530, 464134, 614295, 632910, 696201, 949365, 1160335, 1228590, 1392402, 1898730, 2088603, 2320670, 3481005, 4177206, 6962010, 10443015, 20886030]

約数ペア:

[(1, 20886030), (2, 10443015), (3, 6962010), (5, 4177206), (6, 3481005), (9, 2320670), (10, 2088603), (11, 1898730), (15, 1392402), (17, 1228590), (18, 1160335), (22, 949365), (30, 696201), (33, 632910), (34, 614295), (45, 464134), (51, 409530), (55, 379746), (66, 316455), (73, 286110), (85, 245718), (90, 232067), (99, 210970), (102, 204765), (110, 189873), (146, 143055), (153, 136510), (165, 126582), (170, 122859), (187, 111690), (198, 105485), (219, 95370), (255, 81906), (289, 72270), (306, 68255), (330, 63291), (365, 57222), (374, 55845), (438, 47685), (495, 42194), (510, 40953), (561, 37230), (578, 36135), (657, 31790), (730, 28611), (765, 27302), (803, 26010), (867, 24090), (935, 22338), (990, 21097), (1095, 19074), (1122, 18615), (1241, 16830), (1314, 15895), (1445, 14454), (1530, 13651), (1606, 13005), (1683, 12410), (1734, 12045), (1870, 11169), (2190, 9537), (2409, 8670), (2482, 8415), (2601, 8030), (2805, 7446), (2890, 7227), (3179, 6570), (3285, 6358), (3366, 6205), (3723, 5610), (4015, 5202), (4335, 4818)]