20147490895

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1831}}^1\times {\mathrm{13669}}^1$

素因数の和:15535

約数の個数: 32

約数和(自身を含む): 28850042880

約数和(自身を除く): 8702551985

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 1831, 9155, 12817, 13669, 42113, 64085, 68345, 95683, 210565, 294791, 314387, 478415, 1473955, 1571935, 2200709, 11003545, 25027939, 125139695, 175195573, 575642597, 875977865, 2878212985, 4029498179, 20147490895]

約数ペア:

[(1, 20147490895), (5, 4029498179), (7, 2878212985), (23, 875977865), (35, 575642597), (115, 175195573), (161, 125139695), (805, 25027939), (1831, 11003545), (9155, 2200709), (12817, 1571935), (13669, 1473955), (42113, 478415), (64085, 314387), (68345, 294791), (95683, 210565)]