20187958645

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{30539}}^1$

素因数の和:30717

約数の個数: 32

約数和(自身を含む): 25858828800

約数和(自身を除く): 5670870155

約数列:

[1, 5, 29, 47, 97, 145, 235, 485, 1363, 2813, 4559, 6815, 14065, 22795, 30539, 132211, 152695, 661055, 885631, 1435333, 2962283, 4428155, 7176665, 14811415, 41624657, 85906207, 139227301, 208123285, 429531035, 696136505, 4037591729, 20187958645]

約数ペア:

[(1, 20187958645), (5, 4037591729), (29, 696136505), (47, 429531035), (97, 208123285), (145, 139227301), (235, 85906207), (485, 41624657), (1363, 14811415), (2813, 7176665), (4559, 4428155), (6815, 2962283), (14065, 1435333), (22795, 885631), (30539, 661055), (132211, 152695)]