20016490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1439}}^1$

素因数の和:1566

約数の個数: 32

約数和(自身を含む): 39191040

約数和(自身を除く): 19174550

約数列:

[1, 2, 5, 10, 13, 26, 65, 107, 130, 214, 535, 1070, 1391, 1439, 2782, 2878, 6955, 7195, 13910, 14390, 18707, 37414, 93535, 153973, 187070, 307946, 769865, 1539730, 2001649, 4003298, 10008245, 20016490]

約数ペア:

[(1, 20016490), (2, 10008245), (5, 4003298), (10, 2001649), (13, 1539730), (26, 769865), (65, 307946), (107, 187070), (130, 153973), (214, 93535), (535, 37414), (1070, 18707), (1391, 14390), (1439, 13910), (2782, 7195), (2878, 6955)]