20123070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{211}}^1$

素因数の和:266

約数の個数: 96

約数和(自身を含む): 56232576

約数和(自身を除く): 36109506

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 17, 22, 30, 33, 34, 51, 55, 66, 85, 102, 110, 165, 170, 187, 211, 255, 289, 330, 374, 422, 510, 561, 578, 633, 867, 935, 1055, 1122, 1266, 1445, 1734, 1870, 2110, 2321, 2805, 2890, 3165, 3179, 3587, 4335, 4642, 5610, 6330, 6358, 6963, 7174, 8670, 9537, 10761, 11605, 13926, 15895, 17935, 19074, 21522, 23210, 31790, 34815, 35870, 39457, 47685, 53805, 60979, 69630, 78914, 95370, 107610, 118371, 121958, 182937, 197285, 236742, 304895, 365874, 394570, 591855, 609790, 670769, 914685, 1183710, 1341538, 1829370, 2012307, 3353845, 4024614, 6707690, 10061535, 20123070]

約数ペア:

[(1, 20123070), (2, 10061535), (3, 6707690), (5, 4024614), (6, 3353845), (10, 2012307), (11, 1829370), (15, 1341538), (17, 1183710), (22, 914685), (30, 670769), (33, 609790), (34, 591855), (51, 394570), (55, 365874), (66, 304895), (85, 236742), (102, 197285), (110, 182937), (165, 121958), (170, 118371), (187, 107610), (211, 95370), (255, 78914), (289, 69630), (330, 60979), (374, 53805), (422, 47685), (510, 39457), (561, 35870), (578, 34815), (633, 31790), (867, 23210), (935, 21522), (1055, 19074), (1122, 17935), (1266, 15895), (1445, 13926), (1734, 11605), (1870, 10761), (2110, 9537), (2321, 8670), (2805, 7174), (2890, 6963), (3165, 6358), (3179, 6330), (3587, 5610), (4335, 4642)]