20173790

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3167}}^1$

素因数の和:3201

約数の個数: 48

約数和(自身を含む): 45505152

約数和(自身を除く): 25331362

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 3167, 3185, 6334, 6370, 15835, 22169, 31670, 41171, 44338, 82342, 110845, 155183, 205855, 221690, 288197, 310366, 411710, 576394, 775915, 1440985, 1551830, 2017379, 2881970, 4034758, 10086895, 20173790]

約数ペア:

[(1, 20173790), (2, 10086895), (5, 4034758), (7, 2881970), (10, 2017379), (13, 1551830), (14, 1440985), (26, 775915), (35, 576394), (49, 411710), (65, 310366), (70, 288197), (91, 221690), (98, 205855), (130, 155183), (182, 110845), (245, 82342), (455, 44338), (490, 41171), (637, 31670), (910, 22169), (1274, 15835), (3167, 6370), (3185, 6334)]