20807841607

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{619}}^1\times {\mathrm{1597}}^1$

素因数の和:2351

約数の個数: 32

約数和(自身を含む): 24856186880

約数和(自身を除く): 4048345273

約数列:

[1, 7, 31, 97, 217, 619, 679, 1597, 3007, 4333, 11179, 19189, 21049, 49507, 60043, 134323, 154909, 346549, 420301, 988543, 1084363, 1861333, 4802179, 6919801, 13029331, 30644833, 33615253, 95888671, 214513831, 671220697, 2972548801, 20807841607]

約数ペア:

[(1, 20807841607), (7, 2972548801), (31, 671220697), (97, 214513831), (217, 95888671), (619, 33615253), (679, 30644833), (1597, 13029331), (3007, 6919801), (4333, 4802179), (11179, 1861333), (19189, 1084363), (21049, 988543), (49507, 420301), (60043, 346549), (134323, 154909)]