20160864285

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{212701}}^1$

素因数の和:212869

約数の個数: 32

約数和(自身を含む): 33079415040

約数和(自身を除く): 12918550755

約数列:

[1, 3, 5, 15, 71, 89, 213, 267, 355, 445, 1065, 1335, 6319, 18957, 31595, 94785, 212701, 638103, 1063505, 3190515, 15101771, 18930389, 45305313, 56791167, 75508855, 94651945, 226526565, 283955835, 1344057619, 4032172857, 6720288095, 20160864285]

約数ペア:

[(1, 20160864285), (3, 6720288095), (5, 4032172857), (15, 1344057619), (71, 283955835), (89, 226526565), (213, 94651945), (267, 75508855), (355, 56791167), (445, 45305313), (1065, 18930389), (1335, 15101771), (6319, 3190515), (18957, 1063505), (31595, 638103), (94785, 212701)]