20687451844

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1\times {\mathrm{20011}}^1$

素因数の和:20716

約数の個数: 48

約数和(自身を含む): 40061782656

約数和(自身を除く): 19374330812

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 92, 391, 661, 782, 1322, 1564, 2644, 11237, 15203, 20011, 22474, 30406, 40022, 44948, 60812, 80044, 258451, 340187, 460253, 516902, 680374, 920506, 1033804, 1360748, 1841012, 7824301, 13227271, 15648602, 26454542, 31297204, 52909084, 224863607, 304227233, 449727214, 608454466, 899454428, 1216908932, 5171862961, 10343725922, 20687451844]

約数ペア:

[(1, 20687451844), (2, 10343725922), (4, 5171862961), (17, 1216908932), (23, 899454428), (34, 608454466), (46, 449727214), (68, 304227233), (92, 224863607), (391, 52909084), (661, 31297204), (782, 26454542), (1322, 15648602), (1564, 13227271), (2644, 7824301), (11237, 1841012), (15203, 1360748), (20011, 1033804), (22474, 920506), (30406, 680374), (40022, 516902), (44948, 460253), (60812, 340187), (80044, 258451)]