20575058

素因数分解:

$2^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:354

約数の個数: 32

約数和(自身を含む): 36220800

約数和(自身を除く): 15645742

約数列:

[1, 2, 7, 14, 97, 109, 139, 194, 218, 278, 679, 763, 973, 1358, 1526, 1946, 10573, 13483, 15151, 21146, 26966, 30302, 74011, 94381, 106057, 148022, 188762, 212114, 1469647, 2939294, 10287529, 20575058]

約数ペア:

[(1, 20575058), (2, 10287529), (7, 2939294), (14, 1469647), (97, 212114), (109, 188762), (139, 148022), (194, 106057), (218, 94381), (278, 74011), (679, 30302), (763, 26966), (973, 21146), (1358, 15151), (1526, 13483), (1946, 10573)]