20156389630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{665447}}^1$

素因数の和:665700

約数の個数: 32

約数和(自身を含む): 39240137664

約数和(自身を除く): 19083748034

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 233, 466, 1165, 2330, 3029, 6058, 15145, 30290, 665447, 1330894, 3327235, 6654470, 8650811, 17301622, 43254055, 86508110, 155049151, 310098302, 775245755, 1550491510, 2015638963, 4031277926, 10078194815, 20156389630]

約数ペア:

[(1, 20156389630), (2, 10078194815), (5, 4031277926), (10, 2015638963), (13, 1550491510), (26, 775245755), (65, 310098302), (130, 155049151), (233, 86508110), (466, 43254055), (1165, 17301622), (2330, 8650811), (3029, 6654470), (6058, 3327235), (15145, 1330894), (30290, 665447)]