20996935890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{99985409}}^1$

素因数の和:99985426

約数の個数: 32

約数和(自身を含む): 57591596160

約数和(自身を除く): 36594660270

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 99985409, 199970818, 299956227, 499927045, 599912454, 699897863, 999854090, 1399795726, 1499781135, 2099693589, 2999562270, 3499489315, 4199387178, 6998978630, 10498467945, 20996935890]

約数ペア:

[(1, 20996935890), (2, 10498467945), (3, 6998978630), (5, 4199387178), (6, 3499489315), (7, 2999562270), (10, 2099693589), (14, 1499781135), (15, 1399795726), (21, 999854090), (30, 699897863), (35, 599912454), (42, 499927045), (70, 299956227), (105, 199970818), (210, 99985409)]