20712410

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:398

約数の個数: 32

約数和(自身を含む): 38187072

約数和(自身を除く): 17474662

約数列:

[1, 2, 5, 10, 97, 131, 163, 194, 262, 326, 485, 655, 815, 970, 1310, 1630, 12707, 15811, 21353, 25414, 31622, 42706, 63535, 79055, 106765, 127070, 158110, 213530, 2071241, 4142482, 10356205, 20712410]

約数ペア:

[(1, 20712410), (2, 10356205), (5, 4142482), (10, 2071241), (97, 213530), (131, 158110), (163, 127070), (194, 106765), (262, 79055), (326, 63535), (485, 42706), (655, 31622), (815, 25414), (970, 21353), (1310, 15811), (1630, 12707)]