20005304

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{463}}^1\times {\mathrm{491}}^1$

素因数の和:971

約数の個数: 32

約数和(自身を含む): 41091840

約数和(自身を除く): 21086536

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 463, 491, 926, 982, 1852, 1964, 3704, 3928, 5093, 5401, 10186, 10802, 20372, 21604, 40744, 43208, 227333, 454666, 909332, 1818664, 2500663, 5001326, 10002652, 20005304]

約数ペア:

[(1, 20005304), (2, 10002652), (4, 5001326), (8, 2500663), (11, 1818664), (22, 909332), (44, 454666), (88, 227333), (463, 43208), (491, 40744), (926, 21604), (982, 20372), (1852, 10802), (1964, 10186), (3704, 5401), (3928, 5093)]