20698843660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1775201}}^1$

素因数の和:1775274

約数の個数: 48

約数和(自身を含む): 48313897632

約数和(自身を除く): 27615053972

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 106, 110, 212, 220, 265, 530, 583, 1060, 1166, 2332, 2915, 5830, 11660, 1775201, 3550402, 7100804, 8876005, 17752010, 19527211, 35504020, 39054422, 78108844, 94085653, 97636055, 188171306, 195272110, 376342612, 390544220, 470428265, 940856530, 1034942183, 1881713060, 2069884366, 4139768732, 5174710915, 10349421830, 20698843660]

約数ペア:

[(1, 20698843660), (2, 10349421830), (4, 5174710915), (5, 4139768732), (10, 2069884366), (11, 1881713060), (20, 1034942183), (22, 940856530), (44, 470428265), (53, 390544220), (55, 376342612), (106, 195272110), (110, 188171306), (212, 97636055), (220, 94085653), (265, 78108844), (530, 39054422), (583, 35504020), (1060, 19527211), (1166, 17752010), (2332, 8876005), (2915, 7100804), (5830, 3550402), (11660, 1775201)]