22120904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{212701}}^1$

素因数の和:212720

約数の個数: 16

約数和(自身を含む): 44667420

約数和(自身を除く): 22546516

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 212701, 425402, 850804, 1701608, 2765113, 5530226, 11060452, 22120904]

約数ペア:

[(1, 22120904), (2, 11060452), (4, 5530226), (8, 2765113), (13, 1701608), (26, 850804), (52, 425402), (104, 212701)]