20056690

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:187

約数の個数: 64

約数和(自身を含む): 40642560

約数和(自身を除く): 20585870

約数列:

[1, 2, 5, 10, 23, 29, 31, 46, 58, 62, 97, 115, 145, 155, 194, 230, 290, 310, 485, 667, 713, 899, 970, 1334, 1426, 1798, 2231, 2813, 3007, 3335, 3565, 4462, 4495, 5626, 6014, 6670, 7130, 8990, 11155, 14065, 15035, 20677, 22310, 28130, 30070, 41354, 64699, 69161, 87203, 103385, 129398, 138322, 174406, 206770, 323495, 345805, 436015, 646990, 691610, 872030, 2005669, 4011338, 10028345, 20056690]

約数ペア:

[(1, 20056690), (2, 10028345), (5, 4011338), (10, 2005669), (23, 872030), (29, 691610), (31, 646990), (46, 436015), (58, 345805), (62, 323495), (97, 206770), (115, 174406), (145, 138322), (155, 129398), (194, 103385), (230, 87203), (290, 69161), (310, 64699), (485, 41354), (667, 30070), (713, 28130), (899, 22310), (970, 20677), (1334, 15035), (1426, 14065), (1798, 11155), (2231, 8990), (2813, 7130), (3007, 6670), (3335, 6014), (3565, 5626), (4462, 4495)]