20440574

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{401}}^1$

素因数の和:752

約数の個数: 32

約数和(自身を含む): 38437632

約数和(自身を除く): 17997058

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 331, 401, 662, 802, 2317, 2807, 3641, 4411, 4634, 5614, 7282, 8822, 25487, 30877, 50974, 61754, 132731, 265462, 929117, 1460041, 1858234, 2920082, 10220287, 20440574]

約数ペア:

[(1, 20440574), (2, 10220287), (7, 2920082), (11, 1858234), (14, 1460041), (22, 929117), (77, 265462), (154, 132731), (331, 61754), (401, 50974), (662, 30877), (802, 25487), (2317, 8822), (2807, 7282), (3641, 5614), (4411, 4634)]