20301688

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{821}}^1$

素因数の和:1119

約数の個数: 32

約数和(自身を含む): 41724720

約数和(自身を除く): 21423032

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 281, 562, 821, 1124, 1642, 2248, 3091, 3284, 6182, 6568, 9031, 12364, 18062, 24728, 36124, 72248, 230701, 461402, 922804, 1845608, 2537711, 5075422, 10150844, 20301688]

約数ペア:

[(1, 20301688), (2, 10150844), (4, 5075422), (8, 2537711), (11, 1845608), (22, 922804), (44, 461402), (88, 230701), (281, 72248), (562, 36124), (821, 24728), (1124, 18062), (1642, 12364), (2248, 9031), (3091, 6568), (3284, 6182)]