20175977540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{569}}^1\times {\mathrm{41231}}^1$

素因数の和:41852

約数の個数: 48

約数和(自身を含む): 43432139520

約数和(自身を除く): 23256161980

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 569, 860, 1138, 2276, 2845, 5690, 11380, 24467, 41231, 48934, 82462, 97868, 122335, 164924, 206155, 244670, 412310, 489340, 824620, 1772933, 3545866, 7091732, 8864665, 17729330, 23460439, 35458660, 46920878, 93841756, 117302195, 234604390, 469208780, 1008798877, 2017597754, 4035195508, 5043994385, 10087988770, 20175977540]

約数ペア:

[(1, 20175977540), (2, 10087988770), (4, 5043994385), (5, 4035195508), (10, 2017597754), (20, 1008798877), (43, 469208780), (86, 234604390), (172, 117302195), (215, 93841756), (430, 46920878), (569, 35458660), (860, 23460439), (1138, 17729330), (2276, 8864665), (2845, 7091732), (5690, 3545866), (11380, 1772933), (24467, 824620), (41231, 489340), (48934, 412310), (82462, 244670), (97868, 206155), (122335, 164924)]