20280856785

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{151729}}^1$

素因数の和:151830

約数の個数: 64

約数和(自身を含む): 39619737600

約数和(自身を除く): 19338880815

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 67, 95, 105, 133, 201, 285, 335, 399, 469, 665, 1005, 1273, 1407, 1995, 2345, 3819, 6365, 7035, 8911, 19095, 26733, 44555, 133665, 151729, 455187, 758645, 1062103, 2275935, 2882851, 3186309, 5310515, 8648553, 10165843, 14414255, 15931545, 20179957, 30497529, 43242765, 50829215, 60539871, 71160901, 100899785, 152487645, 193151017, 213482703, 302699355, 355804505, 579453051, 965755085, 1067413515, 1352057119, 2897265255, 4056171357, 6760285595, 20280856785]

約数ペア:

[(1, 20280856785), (3, 6760285595), (5, 4056171357), (7, 2897265255), (15, 1352057119), (19, 1067413515), (21, 965755085), (35, 579453051), (57, 355804505), (67, 302699355), (95, 213482703), (105, 193151017), (133, 152487645), (201, 100899785), (285, 71160901), (335, 60539871), (399, 50829215), (469, 43242765), (665, 30497529), (1005, 20179957), (1273, 15931545), (1407, 14414255), (1995, 10165843), (2345, 8648553), (3819, 5310515), (6365, 3186309), (7035, 2882851), (8911, 2275935), (19095, 1062103), (26733, 758645), (44555, 455187), (133665, 151729)]