20709727816

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{233}}^1\times {\mathrm{1801}}^1$

素因数の和:2270

約数の個数: 64

約数和(自身を含む): 40480128000

約数和(自身を除く): 19770400184

約数列:

[1, 2, 4, 8, 31, 62, 124, 199, 233, 248, 398, 466, 796, 932, 1592, 1801, 1864, 3602, 6169, 7204, 7223, 12338, 14408, 14446, 24676, 28892, 46367, 49352, 55831, 57784, 92734, 111662, 185468, 223324, 358399, 370936, 419633, 446648, 716798, 839266, 1433596, 1437377, 1678532, 2867192, 2874754, 3357064, 5749508, 11110369, 11499016, 13008623, 22220738, 26017246, 44441476, 52034492, 83506967, 88882952, 104068984, 167013934, 334027868, 668055736, 2588715977, 5177431954, 10354863908, 20709727816]

約数ペア:

[(1, 20709727816), (2, 10354863908), (4, 5177431954), (8, 2588715977), (31, 668055736), (62, 334027868), (124, 167013934), (199, 104068984), (233, 88882952), (248, 83506967), (398, 52034492), (466, 44441476), (796, 26017246), (932, 22220738), (1592, 13008623), (1801, 11499016), (1864, 11110369), (3602, 5749508), (6169, 3357064), (7204, 2874754), (7223, 2867192), (12338, 1678532), (14408, 1437377), (14446, 1433596), (24676, 839266), (28892, 716798), (46367, 446648), (49352, 419633), (55831, 370936), (57784, 358399), (92734, 223324), (111662, 185468)]