20492047180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{176747}}^1$

素因数の和:176815

約数の個数: 96

約数和(自身を含む): 51310651392

約数和(自身を除く): 30818604212

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 31, 34, 44, 55, 62, 68, 85, 110, 124, 155, 170, 187, 220, 310, 340, 341, 374, 527, 620, 682, 748, 935, 1054, 1364, 1705, 1870, 2108, 2635, 3410, 3740, 5270, 5797, 6820, 10540, 11594, 23188, 28985, 57970, 115940, 176747, 353494, 706988, 883735, 1767470, 1944217, 3004699, 3534940, 3888434, 5479157, 6009398, 7776868, 9721085, 10958314, 12018796, 15023495, 19442170, 21916628, 27395785, 30046990, 33051689, 38884340, 54791570, 60093980, 60270727, 66103378, 93145669, 109583140, 120541454, 132206756, 165258445, 186291338, 241082908, 301353635, 330516890, 372582676, 465728345, 602707270, 661033780, 931456690, 1024602359, 1205414540, 1862913380, 2049204718, 4098409436, 5123011795, 10246023590, 20492047180]

約数ペア:

[(1, 20492047180), (2, 10246023590), (4, 5123011795), (5, 4098409436), (10, 2049204718), (11, 1862913380), (17, 1205414540), (20, 1024602359), (22, 931456690), (31, 661033780), (34, 602707270), (44, 465728345), (55, 372582676), (62, 330516890), (68, 301353635), (85, 241082908), (110, 186291338), (124, 165258445), (155, 132206756), (170, 120541454), (187, 109583140), (220, 93145669), (310, 66103378), (340, 60270727), (341, 60093980), (374, 54791570), (527, 38884340), (620, 33051689), (682, 30046990), (748, 27395785), (935, 21916628), (1054, 19442170), (1364, 15023495), (1705, 12018796), (1870, 10958314), (2108, 9721085), (2635, 7776868), (3410, 6009398), (3740, 5479157), (5270, 3888434), (5797, 3534940), (6820, 3004699), (10540, 1944217), (11594, 1767470), (23188, 883735), (28985, 706988), (57970, 353494), (115940, 176747)]