20173885090

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1697}}^1\times {\mathrm{40993}}^1$

素因数の和:42726

約数の個数: 32

約数和(自身を含む): 37588218480

約数和(自身を除く): 17414333390

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 1697, 3394, 8485, 16970, 40993, 49213, 81986, 98426, 204965, 246065, 409930, 492130, 1188797, 2377594, 5943985, 11887970, 69565121, 139130242, 347825605, 695651210, 2017388509, 4034777018, 10086942545, 20173885090]

約数ペア:

[(1, 20173885090), (2, 10086942545), (5, 4034777018), (10, 2017388509), (29, 695651210), (58, 347825605), (145, 139130242), (290, 69565121), (1697, 11887970), (3394, 5943985), (8485, 2377594), (16970, 1188797), (40993, 492130), (49213, 409930), (81986, 246065), (98426, 204965)]