20438316

素因数分解:

$2^2\times 3^2\times {\mathrm{89}}^1\times {\mathrm{6379}}^1$

素因数の和:6478

約数の個数: 36

約数和(自身を含む): 52252200

約数和(自身を除く): 31813884

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 89, 178, 267, 356, 534, 801, 1068, 1602, 3204, 6379, 12758, 19137, 25516, 38274, 57411, 76548, 114822, 229644, 567731, 1135462, 1703193, 2270924, 3406386, 5109579, 6812772, 10219158, 20438316]

約数ペア:

[(1, 20438316), (2, 10219158), (3, 6812772), (4, 5109579), (6, 3406386), (9, 2270924), (12, 1703193), (18, 1135462), (36, 567731), (89, 229644), (178, 114822), (267, 76548), (356, 57411), (534, 38274), (801, 25516), (1068, 19137), (1602, 12758), (3204, 6379)]