20541338

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:382

約数の個数: 32

約数和(自身を含む): 34292160

約数和(自身を除く): 13750822

約数列:

[1, 2, 17, 29, 34, 58, 83, 166, 251, 493, 502, 986, 1411, 2407, 2822, 4267, 4814, 7279, 8534, 14558, 20833, 40919, 41666, 81838, 123743, 247486, 354161, 604157, 708322, 1208314, 10270669, 20541338]

約数ペア:

[(1, 20541338), (2, 10270669), (17, 1208314), (29, 708322), (34, 604157), (58, 354161), (83, 247486), (166, 123743), (251, 81838), (493, 41666), (502, 40919), (986, 20833), (1411, 14558), (2407, 8534), (2822, 7279), (4267, 4814)]