24242020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1091}}^1$

素因数の和:1212

約数の個数: 48

約数和(自身を含む): 56137536

約数和(自身を除く): 31895516

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 404, 505, 1010, 1091, 1111, 2020, 2182, 2222, 4364, 4444, 5455, 5555, 10910, 11110, 12001, 21820, 22220, 24002, 48004, 60005, 110191, 120010, 220382, 240020, 440764, 550955, 1101910, 1212101, 2203820, 2424202, 4848404, 6060505, 12121010, 24242020]

約数ペア:

[(1, 24242020), (2, 12121010), (4, 6060505), (5, 4848404), (10, 2424202), (11, 2203820), (20, 1212101), (22, 1101910), (44, 550955), (55, 440764), (101, 240020), (110, 220382), (202, 120010), (220, 110191), (404, 60005), (505, 48004), (1010, 24002), (1091, 22220), (1111, 21820), (2020, 12001), (2182, 11110), (2222, 10910), (4364, 5555), (4444, 5455)]