20176152040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1609}}^1\times {\mathrm{28499}}^1$

素因数の和:30130

約数の個数: 64

約数和(自身を含む): 49555800000

約数和(自身を除く): 29379647960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 1609, 3218, 6436, 8045, 12872, 16090, 17699, 28499, 32180, 35398, 56998, 64360, 70796, 88495, 113996, 141592, 142495, 176990, 227992, 284990, 313489, 353980, 569980, 626978, 707960, 1139960, 1253956, 1567445, 2507912, 3134890, 6269780, 12539560, 45854891, 91709782, 183419564, 229274455, 366839128, 458548910, 504403801, 917097820, 1008807602, 1834195640, 2017615204, 2522019005, 4035230408, 5044038010, 10088076020, 20176152040]

約数ペア:

[(1, 20176152040), (2, 10088076020), (4, 5044038010), (5, 4035230408), (8, 2522019005), (10, 2017615204), (11, 1834195640), (20, 1008807602), (22, 917097820), (40, 504403801), (44, 458548910), (55, 366839128), (88, 229274455), (110, 183419564), (220, 91709782), (440, 45854891), (1609, 12539560), (3218, 6269780), (6436, 3134890), (8045, 2507912), (12872, 1567445), (16090, 1253956), (17699, 1139960), (28499, 707960), (32180, 626978), (35398, 569980), (56998, 353980), (64360, 313489), (70796, 284990), (88495, 227992), (113996, 176990), (141592, 142495)]