20123687964

素因数分解:

$2^2\times 3^1\times {\mathrm{61}}^1\times {\mathrm{673}}^1\times {\mathrm{40849}}^1$

素因数の和:41590

約数の個数: 48

約数和(自身を含む): 47797114400

約数和(自身を除く): 27673426436

約数列:

[1, 2, 3, 4, 6, 12, 61, 122, 183, 244, 366, 673, 732, 1346, 2019, 2692, 4038, 8076, 40849, 41053, 81698, 82106, 122547, 123159, 163396, 164212, 245094, 246318, 490188, 492636, 2491789, 4983578, 7475367, 9967156, 14950734, 27491377, 29901468, 54982754, 82474131, 109965508, 164948262, 329896524, 1676973997, 3353947994, 5030921991, 6707895988, 10061843982, 20123687964]

約数ペア:

[(1, 20123687964), (2, 10061843982), (3, 6707895988), (4, 5030921991), (6, 3353947994), (12, 1676973997), (61, 329896524), (122, 164948262), (183, 109965508), (244, 82474131), (366, 54982754), (673, 29901468), (732, 27491377), (1346, 14950734), (2019, 9967156), (2692, 7475367), (4038, 4983578), (8076, 2491789), (40849, 492636), (41053, 490188), (81698, 246318), (82106, 245094), (122547, 164212), (123159, 163396)]