20189869735

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{677}}^1\times {\mathrm{23029}}^1$

素因数の和:23755

約数の個数: 32

約数和(自身を含む): 28480556160

約数和(自身を除く): 8290686425

約数列:

[1, 5, 7, 35, 37, 185, 259, 677, 1295, 3385, 4739, 23029, 23695, 25049, 115145, 125245, 161203, 175343, 806015, 852073, 876715, 4260365, 5964511, 15590633, 29822555, 77953165, 109134431, 545672155, 576853421, 2884267105, 4037973947, 20189869735]

約数ペア:

[(1, 20189869735), (5, 4037973947), (7, 2884267105), (35, 576853421), (37, 545672155), (185, 109134431), (259, 77953165), (677, 29822555), (1295, 15590633), (3385, 5964511), (4739, 4260365), (23029, 876715), (23695, 852073), (25049, 806015), (115145, 175343), (125245, 161203)]