20515642

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{24023}}^1$

素因数の和:24093

約数の個数: 16

約数和(自身を含む): 35747712

約数和(自身を除く): 15232070

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 24023, 48046, 168161, 336322, 1465403, 2930806, 10257821, 20515642]

約数ペア:

[(1, 20515642), (2, 10257821), (7, 2930806), (14, 1465403), (61, 336322), (122, 168161), (427, 48046), (854, 24023)]