20566664

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{503}}^1$

素因数の和:797

約数の個数: 32

約数和(自身を含む): 40824000

約数和(自身を除く): 20257336

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 269, 503, 538, 1006, 1076, 2012, 2152, 4024, 5111, 9557, 10222, 19114, 20444, 38228, 40888, 76456, 135307, 270614, 541228, 1082456, 2570833, 5141666, 10283332, 20566664]

約数ペア:

[(1, 20566664), (2, 10283332), (4, 5141666), (8, 2570833), (19, 1082456), (38, 541228), (76, 270614), (152, 135307), (269, 76456), (503, 40888), (538, 38228), (1006, 20444), (1076, 19114), (2012, 10222), (2152, 9557), (4024, 5111)]