20317758

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1291}}^1$

素因数の和:1400

約数の個数: 32

約数和(自身を含む): 42294912

約数和(自身を除く): 21977154

約数列:

[1, 2, 3, 6, 43, 61, 86, 122, 129, 183, 258, 366, 1291, 2582, 2623, 3873, 5246, 7746, 7869, 15738, 55513, 78751, 111026, 157502, 166539, 236253, 333078, 472506, 3386293, 6772586, 10158879, 20317758]

約数ペア:

[(1, 20317758), (2, 10158879), (3, 6772586), (6, 3386293), (43, 472506), (61, 333078), (86, 236253), (122, 166539), (129, 157502), (183, 111026), (258, 78751), (366, 55513), (1291, 15738), (2582, 7869), (2623, 7746), (3873, 5246)]