20008908

素因数分解:

$2^2\times 3^2\times {\mathrm{101}}^1\times {\mathrm{5503}}^1$

素因数の和:5614

約数の個数: 36

約数和(自身を含む): 51088128

約数和(自身を除く): 31079220

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 101, 202, 303, 404, 606, 909, 1212, 1818, 3636, 5503, 11006, 16509, 22012, 33018, 49527, 66036, 99054, 198108, 555803, 1111606, 1667409, 2223212, 3334818, 5002227, 6669636, 10004454, 20008908]

約数ペア:

[(1, 20008908), (2, 10004454), (3, 6669636), (4, 5002227), (6, 3334818), (9, 2223212), (12, 1667409), (18, 1111606), (36, 555803), (101, 198108), (202, 99054), (303, 66036), (404, 49527), (606, 33018), (909, 22012), (1212, 16509), (1818, 11006), (3636, 5503)]