20197980718

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{523}}^1\times {\mathrm{4007}}^1$

素因数の和:4672

約数の個数: 32

約数和(自身を含む): 31250856960

約数和(自身を除く): 11052876242

約数列:

[1, 2, 61, 79, 122, 158, 523, 1046, 4007, 4819, 8014, 9638, 31903, 41317, 63806, 82634, 244427, 316553, 488854, 633106, 2095661, 2520337, 4191322, 5040674, 19309733, 38619466, 127835321, 165557219, 255670642, 331114438, 10098990359, 20197980718]

約数ペア:

[(1, 20197980718), (2, 10098990359), (61, 331114438), (79, 255670642), (122, 165557219), (158, 127835321), (523, 38619466), (1046, 19309733), (4007, 5040674), (4819, 4191322), (8014, 2520337), (9638, 2095661), (31903, 633106), (41317, 488854), (63806, 316553), (82634, 244427)]