20403801036

素因数分解:

$2^2\times 3^2\times {\mathrm{449}}^1\times {\mathrm{1262299}}^1$

素因数の和:1262758

約数の個数: 36

約数和(自身を含む): 51691185000

約数和(自身を除く): 31287383964

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 449, 898, 1347, 1796, 2694, 4041, 5388, 8082, 16164, 1262299, 2524598, 3786897, 5049196, 7573794, 11360691, 15147588, 22721382, 45442764, 566772251, 1133544502, 1700316753, 2267089004, 3400633506, 5100950259, 6801267012, 10201900518, 20403801036]

約数ペア:

[(1, 20403801036), (2, 10201900518), (3, 6801267012), (4, 5100950259), (6, 3400633506), (9, 2267089004), (12, 1700316753), (18, 1133544502), (36, 566772251), (449, 45442764), (898, 22721382), (1347, 15147588), (1796, 11360691), (2694, 7573794), (4041, 5049196), (5388, 3786897), (8082, 2524598), (16164, 1262299)]