20080870

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{307}}^1$

素因数の和:556

約数の個数: 32

約数和(自身を含む): 37610496

約数和(自身を除く): 17529626

約数列:

[1, 2, 5, 10, 31, 62, 155, 211, 307, 310, 422, 614, 1055, 1535, 2110, 3070, 6541, 9517, 13082, 19034, 32705, 47585, 64777, 65410, 95170, 129554, 323885, 647770, 2008087, 4016174, 10040435, 20080870]

約数ペア:

[(1, 20080870), (2, 10040435), (5, 4016174), (10, 2008087), (31, 647770), (62, 323885), (155, 129554), (211, 95170), (307, 65410), (310, 64777), (422, 47585), (614, 32705), (1055, 19034), (1535, 13082), (2110, 9517), (3070, 6541)]