20731578

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{17021}}^1$

素因数の和:17062

約数の個数: 32

約数和(自身を含む): 49023360

約数和(自身を除く): 28291782

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 174, 203, 406, 609, 1218, 17021, 34042, 51063, 102126, 119147, 238294, 357441, 493609, 714882, 987218, 1480827, 2961654, 3455263, 6910526, 10365789, 20731578]

約数ペア:

[(1, 20731578), (2, 10365789), (3, 6910526), (6, 3455263), (7, 2961654), (14, 1480827), (21, 987218), (29, 714882), (42, 493609), (58, 357441), (87, 238294), (174, 119147), (203, 102126), (406, 51063), (609, 34042), (1218, 17021)]