20613740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2017}}^1$

素因数の和:2106

約数の個数: 48

約数和(自身を含む): 50175552

約数和(自身を除く): 29561812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2017, 2044, 2555, 4034, 5110, 8068, 10085, 10220, 14119, 20170, 28238, 40340, 56476, 70595, 141190, 147241, 282380, 294482, 588964, 736205, 1030687, 1472410, 2061374, 2944820, 4122748, 5153435, 10306870, 20613740]

約数ペア:

[(1, 20613740), (2, 10306870), (4, 5153435), (5, 4122748), (7, 2944820), (10, 2061374), (14, 1472410), (20, 1030687), (28, 736205), (35, 588964), (70, 294482), (73, 282380), (140, 147241), (146, 141190), (292, 70595), (365, 56476), (511, 40340), (730, 28238), (1022, 20170), (1460, 14119), (2017, 10220), (2044, 10085), (2555, 8068), (4034, 5110)]