20861646

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3767}}^1$

素因数の和:3856

約数の個数: 32

約数和(自身を含む): 45577728

約数和(自身を除く): 24716082

約数列:

[1, 2, 3, 6, 13, 26, 39, 71, 78, 142, 213, 426, 923, 1846, 2769, 3767, 5538, 7534, 11301, 22602, 48971, 97942, 146913, 267457, 293826, 534914, 802371, 1604742, 3476941, 6953882, 10430823, 20861646]

約数ペア:

[(1, 20861646), (2, 10430823), (3, 6953882), (6, 3476941), (13, 1604742), (26, 802371), (39, 534914), (71, 293826), (78, 267457), (142, 146913), (213, 97942), (426, 48971), (923, 22602), (1846, 11301), (2769, 7534), (3767, 5538)]