20452805464

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1103}}^1\times {\mathrm{25471}}^1$

素因数の和:26600

約数の個数: 64

約数和(自身を含む): 47243427840

約数和(自身を除く): 26790622376

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 1103, 2206, 4412, 7721, 8824, 14339, 15442, 25471, 28678, 30884, 50942, 57356, 61768, 100373, 101884, 114712, 178297, 200746, 203768, 331123, 356594, 401492, 662246, 713188, 802984, 1324492, 1426376, 2317861, 2648984, 4635722, 9271444, 18542888, 28094513, 56189026, 112378052, 196661591, 224756104, 365228669, 393323182, 730457338, 786646364, 1460914676, 1573292728, 2556600683, 2921829352, 5113201366, 10226402732, 20452805464]

約数ペア:

[(1, 20452805464), (2, 10226402732), (4, 5113201366), (7, 2921829352), (8, 2556600683), (13, 1573292728), (14, 1460914676), (26, 786646364), (28, 730457338), (52, 393323182), (56, 365228669), (91, 224756104), (104, 196661591), (182, 112378052), (364, 56189026), (728, 28094513), (1103, 18542888), (2206, 9271444), (4412, 4635722), (7721, 2648984), (8824, 2317861), (14339, 1426376), (15442, 1324492), (25471, 802984), (28678, 713188), (30884, 662246), (50942, 401492), (57356, 356594), (61768, 331123), (100373, 203768), (101884, 200746), (114712, 178297)]