20102278

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{739}}^1$

素因数の和:844

約数の個数: 32

約数和(自身を含む): 36230400

約数和(自身を除く): 16128122

約数列:

[1, 2, 7, 14, 29, 58, 67, 134, 203, 406, 469, 739, 938, 1478, 1943, 3886, 5173, 10346, 13601, 21431, 27202, 42862, 49513, 99026, 150017, 300034, 346591, 693182, 1435877, 2871754, 10051139, 20102278]

約数ペア:

[(1, 20102278), (2, 10051139), (7, 2871754), (14, 1435877), (29, 693182), (58, 346591), (67, 300034), (134, 150017), (203, 99026), (406, 49513), (469, 42862), (739, 27202), (938, 21431), (1478, 13601), (1943, 10346), (3886, 5173)]