20203618

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{1801}}^1$

素因数の和:1953

約数の個数: 16

約数和(自身を含む): 31138560

約数和(自身を除く): 10934942

約数列:

[1, 2, 71, 79, 142, 158, 1801, 3602, 5609, 11218, 127871, 142279, 255742, 284558, 10101809, 20203618]

約数ペア:

[(1, 20203618), (2, 10101809), (71, 284558), (79, 255742), (142, 142279), (158, 127871), (1801, 11218), (3602, 5609)]