20009667965

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{499}}^1\times {\mathrm{21617}}^1$

素因数の和:22181

約数の個数: 32

約数和(自身を含む): 28016928000

約数和(自身を除く): 8007260035

約数列:

[1, 5, 7, 35, 53, 265, 371, 499, 1855, 2495, 3493, 17465, 21617, 26447, 108085, 132235, 151319, 185129, 756595, 925645, 1145701, 5728505, 8019907, 10786883, 40099535, 53934415, 75508181, 377540905, 571704799, 2858523995, 4001933593, 20009667965]

約数ペア:

[(1, 20009667965), (5, 4001933593), (7, 2858523995), (35, 571704799), (53, 377540905), (265, 75508181), (371, 53934415), (499, 40099535), (1855, 10786883), (2495, 8019907), (3493, 5728505), (17465, 1145701), (21617, 925645), (26447, 756595), (108085, 185129), (132235, 151319)]