20180147780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3671}}^1\times {\mathrm{21143}}^1$

素因数の和:24836

約数の個数: 48

約数和(自身を含む): 45652771584

約数和(自身を除く): 25472623804

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 3671, 7342, 14684, 18355, 21143, 36710, 42286, 47723, 73420, 84572, 95446, 105715, 190892, 211430, 238615, 274859, 422860, 477230, 549718, 954460, 1099436, 1374295, 2748590, 5497180, 77615953, 155231906, 310463812, 388079765, 776159530, 1009007389, 1552319060, 2018014778, 4036029556, 5045036945, 10090073890, 20180147780]

約数ペア:

[(1, 20180147780), (2, 10090073890), (4, 5045036945), (5, 4036029556), (10, 2018014778), (13, 1552319060), (20, 1009007389), (26, 776159530), (52, 388079765), (65, 310463812), (130, 155231906), (260, 77615953), (3671, 5497180), (7342, 2748590), (14684, 1374295), (18355, 1099436), (21143, 954460), (36710, 549718), (42286, 477230), (47723, 422860), (73420, 274859), (84572, 238615), (95446, 211430), (105715, 190892)]