20517505916

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{677}}^1\times {\mathrm{4283}}^1$

素因数の和:5054

約数の個数: 48

約数和(自身を含む): 37817267040

約数和(自身を除く): 17299761124

約数列:

[1, 2, 4, 29, 58, 61, 116, 122, 244, 677, 1354, 1769, 2708, 3538, 4283, 7076, 8566, 17132, 19633, 39266, 41297, 78532, 82594, 124207, 165188, 248414, 261263, 496828, 522526, 1045052, 1197613, 2395226, 2899591, 4790452, 5799182, 7576627, 11598364, 15153254, 30306508, 84088139, 168176278, 176875051, 336352556, 353750102, 707500204, 5129376479, 10258752958, 20517505916]

約数ペア:

[(1, 20517505916), (2, 10258752958), (4, 5129376479), (29, 707500204), (58, 353750102), (61, 336352556), (116, 176875051), (122, 168176278), (244, 84088139), (677, 30306508), (1354, 15153254), (1769, 11598364), (2708, 7576627), (3538, 5799182), (4283, 4790452), (7076, 2899591), (8566, 2395226), (17132, 1197613), (19633, 1045052), (39266, 522526), (41297, 496828), (78532, 261263), (82594, 248414), (124207, 165188)]