20713022

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 35417088

約数和(自身を除く): 14704066

約数列:

[1, 2, 11, 22, 31, 62, 121, 242, 251, 341, 502, 682, 1331, 2662, 2761, 3751, 5522, 7502, 7781, 15562, 30371, 41261, 60742, 82522, 85591, 171182, 334081, 668162, 941501, 1883002, 10356511, 20713022]

約数ペア:

[(1, 20713022), (2, 10356511), (11, 1883002), (22, 941501), (31, 668162), (62, 334081), (121, 171182), (242, 85591), (251, 82522), (341, 60742), (502, 41261), (682, 30371), (1331, 15562), (2662, 7781), (2761, 7502), (3751, 5522)]