20168777744

素因数分解:

$2^4\times {\mathrm{179}}^1\times {\mathrm{277}}^1\times {\mathrm{25423}}^1$

素因数の和:25887

約数の個数: 40

約数和(自身を含む): 39438725760

約数和(自身を除く): 19269948016

約数列:

[1, 2, 4, 8, 16, 179, 277, 358, 554, 716, 1108, 1432, 2216, 2864, 4432, 25423, 49583, 50846, 99166, 101692, 198332, 203384, 396664, 406768, 793328, 4550717, 7042171, 9101434, 14084342, 18202868, 28168684, 36405736, 56337368, 72811472, 112674736, 1260548609, 2521097218, 5042194436, 10084388872, 20168777744]

約数ペア:

[(1, 20168777744), (2, 10084388872), (4, 5042194436), (8, 2521097218), (16, 1260548609), (179, 112674736), (277, 72811472), (358, 56337368), (554, 36405736), (716, 28168684), (1108, 18202868), (1432, 14084342), (2216, 9101434), (2864, 7042171), (4432, 4550717), (25423, 793328), (49583, 406768), (50846, 396664), (99166, 203384), (101692, 198332)]