20125768

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{6673}}^1$

素因数の和:6721

約数の個数: 32

約数和(自身を含む): 42046200

約数和(自身を除く): 21920432

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 104, 116, 232, 377, 754, 1508, 3016, 6673, 13346, 26692, 53384, 86749, 173498, 193517, 346996, 387034, 693992, 774068, 1548136, 2515721, 5031442, 10062884, 20125768]

約数ペア:

[(1, 20125768), (2, 10062884), (4, 5031442), (8, 2515721), (13, 1548136), (26, 774068), (29, 693992), (52, 387034), (58, 346996), (104, 193517), (116, 173498), (232, 86749), (377, 53384), (754, 26692), (1508, 13346), (3016, 6673)]