20235448

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{499}}^1$

素因数の和:679

約数の個数: 32

約数和(自身を含む): 39330000

約数和(自身を除く): 19094552

約数列:

[1, 2, 4, 8, 37, 74, 137, 148, 274, 296, 499, 548, 998, 1096, 1996, 3992, 5069, 10138, 18463, 20276, 36926, 40552, 68363, 73852, 136726, 147704, 273452, 546904, 2529431, 5058862, 10117724, 20235448]

約数ペア:

[(1, 20235448), (2, 10117724), (4, 5058862), (8, 2529431), (37, 546904), (74, 273452), (137, 147704), (148, 136726), (274, 73852), (296, 68363), (499, 40552), (548, 36926), (998, 20276), (1096, 18463), (1996, 10138), (3992, 5069)]