20173756790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{62743}}^1$

素因数の和:62877

約数の個数: 64

約数和(自身を含む): 41200220160

約数和(自身を除く): 21026463370

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 79, 110, 158, 185, 370, 395, 407, 790, 814, 869, 1738, 2035, 2923, 4070, 4345, 5846, 8690, 14615, 29230, 32153, 62743, 64306, 125486, 160765, 313715, 321530, 627430, 690173, 1380346, 2321491, 3450865, 4642982, 4956697, 6901730, 9913394, 11607455, 23214910, 24783485, 25536401, 49566970, 51072802, 54523667, 109047334, 127682005, 183397789, 255364010, 272618335, 366795578, 545236670, 916988945, 1833977890, 2017375679, 4034751358, 10086878395, 20173756790]

約数ペア:

[(1, 20173756790), (2, 10086878395), (5, 4034751358), (10, 2017375679), (11, 1833977890), (22, 916988945), (37, 545236670), (55, 366795578), (74, 272618335), (79, 255364010), (110, 183397789), (158, 127682005), (185, 109047334), (370, 54523667), (395, 51072802), (407, 49566970), (790, 25536401), (814, 24783485), (869, 23214910), (1738, 11607455), (2035, 9913394), (2923, 6901730), (4070, 4956697), (4345, 4642982), (5846, 3450865), (8690, 2321491), (14615, 1380346), (29230, 690173), (32153, 627430), (62743, 321530), (64306, 313715), (125486, 160765)]