20079890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4073}}^1$

素因数の和:4126

約数の個数: 32

約数和(自身を含む): 39599280

約数和(自身を除く): 19519390

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 145, 170, 290, 493, 986, 2465, 4073, 4930, 8146, 20365, 40730, 69241, 118117, 138482, 236234, 346205, 590585, 692410, 1181170, 2007989, 4015978, 10039945, 20079890]

約数ペア:

[(1, 20079890), (2, 10039945), (5, 4015978), (10, 2007989), (17, 1181170), (29, 692410), (34, 590585), (58, 346205), (85, 236234), (145, 138482), (170, 118117), (290, 69241), (493, 40730), (986, 20365), (2465, 8146), (4073, 4930)]