20312216

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{133633}}^1$

素因数の和:133658

約数の個数: 16

約数和(自身を含む): 40090200

約数和(自身を除く): 19777984

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 133633, 267266, 534532, 1069064, 2539027, 5078054, 10156108, 20312216]

約数ペア:

[(1, 20312216), (2, 10156108), (4, 5078054), (8, 2539027), (19, 1069064), (38, 534532), (76, 267266), (152, 133633)]