20888973630

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{11052367}}^1$

素因数の和:11052390

約数の個数: 64

約数和(自身を含む): 63661639680

約数和(自身を除く): 42772666050

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 11052367, 22104734, 33157101, 55261835, 66314202, 77366569, 99471303, 110523670, 154733138, 165785505, 198942606, 232099707, 298413909, 331571010, 386832845, 464199414, 497356515, 596827818, 696299121, 773665690, 994713030, 1160498535, 1392598242, 1492069545, 2088897363, 2320997070, 2984139090, 3481495605, 4177794726, 6962991210, 10444486815, 20888973630]

約数ペア:

[(1, 20888973630), (2, 10444486815), (3, 6962991210), (5, 4177794726), (6, 3481495605), (7, 2984139090), (9, 2320997070), (10, 2088897363), (14, 1492069545), (15, 1392598242), (18, 1160498535), (21, 994713030), (27, 773665690), (30, 696299121), (35, 596827818), (42, 497356515), (45, 464199414), (54, 386832845), (63, 331571010), (70, 298413909), (90, 232099707), (105, 198942606), (126, 165785505), (135, 154733138), (189, 110523670), (210, 99471303), (270, 77366569), (315, 66314202), (378, 55261835), (630, 33157101), (945, 22104734), (1890, 11052367)]