20876680240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20073731}}^1$

素因数の和:20073757

約数の個数: 40

約数和(自身を含む): 52271998128

約数和(自身を除く): 31395317888

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 20073731, 40147462, 80294924, 100368655, 160589848, 200737310, 260958503, 321179696, 401474620, 521917006, 802949240, 1043834012, 1304792515, 1605898480, 2087668024, 2609585030, 4175336048, 5219170060, 10438340120, 20876680240]

約数ペア:

[(1, 20876680240), (2, 10438340120), (4, 5219170060), (5, 4175336048), (8, 2609585030), (10, 2087668024), (13, 1605898480), (16, 1304792515), (20, 1043834012), (26, 802949240), (40, 521917006), (52, 401474620), (65, 321179696), (80, 260958503), (104, 200737310), (130, 160589848), (208, 100368655), (260, 80294924), (520, 40147462), (1040, 20073731)]