20180490886

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1\times {\mathrm{449}}^1\times {\mathrm{1031}}^1$

素因数の和:1860

約数の個数: 32

約数和(自身を含む): 30895603200

約数和(自身を除く): 10715112314

約数列:

[1, 2, 71, 142, 307, 449, 614, 898, 1031, 2062, 21797, 31879, 43594, 63758, 73201, 137843, 146402, 275686, 316517, 462919, 633034, 925838, 9786853, 19573706, 22472707, 32867249, 44945414, 65734498, 142116133, 284232266, 10090245443, 20180490886]

約数ペア:

[(1, 20180490886), (2, 10090245443), (71, 284232266), (142, 142116133), (307, 65734498), (449, 44945414), (614, 32867249), (898, 22472707), (1031, 19573706), (2062, 9786853), (21797, 925838), (31879, 633034), (43594, 462919), (63758, 316517), (73201, 275686), (137843, 146402)]