20465514

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{10243}}^1$

素因数の和:10291

約数の個数: 32

約数和(自身を含む): 46712640

約数和(自身を除く): 26247126

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 333, 666, 999, 1998, 10243, 20486, 30729, 61458, 92187, 184374, 276561, 378991, 553122, 757982, 1136973, 2273946, 3410919, 6821838, 10232757, 20465514]

約数ペア:

[(1, 20465514), (2, 10232757), (3, 6821838), (6, 3410919), (9, 2273946), (18, 1136973), (27, 757982), (37, 553122), (54, 378991), (74, 276561), (111, 184374), (222, 92187), (333, 61458), (666, 30729), (999, 20486), (1998, 10243)]