20550580804

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20800183}}^1$

素因数の和:20800219

約数の個数: 24

約数和(自身を含む): 40768360640

約数和(自身を除く): 20217779836

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 20800183, 41600366, 83200732, 270402379, 395203477, 540804758, 790406954, 1081609516, 1580813908, 5137645201, 10275290402, 20550580804]

約数ペア:

[(1, 20550580804), (2, 10275290402), (4, 5137645201), (13, 1580813908), (19, 1081609516), (26, 790406954), (38, 540804758), (52, 395203477), (76, 270402379), (247, 83200732), (494, 41600366), (988, 20800183)]