20565496072

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{557}}^1\times {\mathrm{419567}}^1$

素因数の和:420141

約数の個数: 32

約数和(自身を含む): 42141409920

約数和(自身を除く): 21575913848

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 557, 1114, 2228, 4456, 6127, 12254, 24508, 49016, 419567, 839134, 1678268, 3356536, 4615237, 9230474, 18460948, 36921896, 233698819, 467397638, 934795276, 1869590552, 2570687009, 5141374018, 10282748036, 20565496072]

約数ペア:

[(1, 20565496072), (2, 10282748036), (4, 5141374018), (8, 2570687009), (11, 1869590552), (22, 934795276), (44, 467397638), (88, 233698819), (557, 36921896), (1114, 18460948), (2228, 9230474), (4456, 4615237), (6127, 3356536), (12254, 1678268), (24508, 839134), (49016, 419567)]