20433972

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{130987}}^1$

素因数の和:131007

約数の個数: 24

約数和(自身を含む): 51347296

約数和(自身を除く): 30913324

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 130987, 261974, 392961, 523948, 785922, 1571844, 1702831, 3405662, 5108493, 6811324, 10216986, 20433972]

約数ペア:

[(1, 20433972), (2, 10216986), (3, 6811324), (4, 5108493), (6, 3405662), (12, 1702831), (13, 1571844), (26, 785922), (39, 523948), (52, 392961), (78, 261974), (156, 130987)]