20157290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{383}}^1$

素因数の和:686

約数の個数: 32

約数和(自身を含む): 38430720

約数和(自身を除く): 18273430

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 277, 383, 554, 766, 1385, 1915, 2770, 3830, 5263, 7277, 10526, 14554, 26315, 36385, 52630, 72770, 106091, 212182, 530455, 1060910, 2015729, 4031458, 10078645, 20157290]

約数ペア:

[(1, 20157290), (2, 10078645), (5, 4031458), (10, 2015729), (19, 1060910), (38, 530455), (95, 212182), (190, 106091), (277, 72770), (383, 52630), (554, 36385), (766, 26315), (1385, 14554), (1915, 10526), (2770, 7277), (3830, 5263)]