20480459945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{929}}^1\times {\mathrm{6571}}^1$

素因数の和:7577

約数の個数: 32

約数和(自身を含む): 27283789440

約数和(自身を除く): 6803329495

約数列:

[1, 5, 11, 55, 61, 305, 671, 929, 3355, 4645, 6571, 10219, 32855, 51095, 56669, 72281, 283345, 361405, 400831, 623359, 2004155, 3116795, 4409141, 6104459, 22045705, 30522295, 67149049, 335745245, 372371999, 1861859995, 4096091989, 20480459945]

約数ペア:

[(1, 20480459945), (5, 4096091989), (11, 1861859995), (55, 372371999), (61, 335745245), (305, 67149049), (671, 30522295), (929, 22045705), (3355, 6104459), (4645, 4409141), (6571, 3116795), (10219, 2004155), (32855, 623359), (51095, 400831), (56669, 361405), (72281, 283345)]