20005937048

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{661}}^1\times {\mathrm{122041}}^1$

素因数の和:122739

約数の個数: 32

約数和(自身を含む): 38780065920

約数和(自身を除く): 18774128872

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 661, 1322, 2644, 5288, 20491, 40982, 81964, 122041, 163928, 244082, 488164, 976328, 3783271, 7566542, 15133084, 30266168, 80669101, 161338202, 322676404, 645352808, 2500742131, 5001484262, 10002968524, 20005937048]

約数ペア:

[(1, 20005937048), (2, 10002968524), (4, 5001484262), (8, 2500742131), (31, 645352808), (62, 322676404), (124, 161338202), (248, 80669101), (661, 30266168), (1322, 15133084), (2644, 7566542), (5288, 3783271), (20491, 976328), (40982, 488164), (81964, 244082), (122041, 163928)]