20399448

素因数分解:

$2^3\times 3^1\times {\mathrm{397}}^1\times {\mathrm{2141}}^1$

素因数の和:2547

約数の個数: 32

約数和(自身を含む): 51150960

約数和(自身を除く): 30751512

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 397, 794, 1191, 1588, 2141, 2382, 3176, 4282, 4764, 6423, 8564, 9528, 12846, 17128, 25692, 51384, 849977, 1699954, 2549931, 3399908, 5099862, 6799816, 10199724, 20399448]

約数ペア:

[(1, 20399448), (2, 10199724), (3, 6799816), (4, 5099862), (6, 3399908), (8, 2549931), (12, 1699954), (24, 849977), (397, 51384), (794, 25692), (1191, 17128), (1588, 12846), (2141, 9528), (2382, 8564), (3176, 6423), (4282, 4764)]