20175996955

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{613}}^1\times {\mathrm{1999}}^1$

素因数の和:2743

約数の個数: 32

約数和(自身を含む): 25198560000

約数和(自身を除く): 5022563045

約数列:

[1, 5, 37, 89, 185, 445, 613, 1999, 3065, 3293, 9995, 16465, 22681, 54557, 73963, 113405, 177911, 272785, 369815, 889555, 1225387, 2018609, 6126935, 6582707, 10093045, 32913535, 45339319, 109059443, 226696595, 545297215, 4035199391, 20175996955]

約数ペア:

[(1, 20175996955), (5, 4035199391), (37, 545297215), (89, 226696595), (185, 109059443), (445, 45339319), (613, 32913535), (1999, 10093045), (3065, 6582707), (3293, 6126935), (9995, 2018609), (16465, 1225387), (22681, 889555), (54557, 369815), (73963, 272785), (113405, 177911)]