20155605870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{400151}}^1$

素因数の和:400257

約数の個数: 64

約数和(自身を含む): 51168236544

約数和(自身を除く): 31012630674

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 73, 115, 138, 146, 219, 230, 345, 365, 438, 690, 730, 1095, 1679, 2190, 3358, 5037, 8395, 10074, 16790, 25185, 50370, 400151, 800302, 1200453, 2000755, 2400906, 4001510, 6002265, 9203473, 12004530, 18406946, 27610419, 29211023, 46017365, 55220838, 58422046, 87633069, 92034730, 138052095, 146055115, 175266138, 276104190, 292110230, 438165345, 671853529, 876330690, 1343707058, 2015560587, 3359267645, 4031121174, 6718535290, 10077802935, 20155605870]

約数ペア:

[(1, 20155605870), (2, 10077802935), (3, 6718535290), (5, 4031121174), (6, 3359267645), (10, 2015560587), (15, 1343707058), (23, 876330690), (30, 671853529), (46, 438165345), (69, 292110230), (73, 276104190), (115, 175266138), (138, 146055115), (146, 138052095), (219, 92034730), (230, 87633069), (345, 58422046), (365, 55220838), (438, 46017365), (690, 29211023), (730, 27610419), (1095, 18406946), (1679, 12004530), (2190, 9203473), (3358, 6002265), (5037, 4001510), (8395, 2400906), (10074, 2000755), (16790, 1200453), (25185, 800302), (50370, 400151)]