20459922

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{25639}}^1$

素因数の和:25670

約数の個数: 32

約数和(自身を含む): 49228800

約数和(自身を除く): 28768878

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 25639, 51278, 76917, 153834, 179473, 358946, 487141, 538419, 974282, 1076838, 1461423, 2922846, 3409987, 6819974, 10229961, 20459922]

約数ペア:

[(1, 20459922), (2, 10229961), (3, 6819974), (6, 3409987), (7, 2922846), (14, 1461423), (19, 1076838), (21, 974282), (38, 538419), (42, 487141), (57, 358946), (114, 179473), (133, 153834), (266, 76917), (399, 51278), (798, 25639)]