20694390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{8311}}^1$

素因数の和:8404

約数の個数: 32

約数和(自身を含む): 50270976

約数和(自身を除く): 29576586

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 83, 166, 249, 415, 498, 830, 1245, 2490, 8311, 16622, 24933, 41555, 49866, 83110, 124665, 249330, 689813, 1379626, 2069439, 3449065, 4138878, 6898130, 10347195, 20694390]

約数ペア:

[(1, 20694390), (2, 10347195), (3, 6898130), (5, 4138878), (6, 3449065), (10, 2069439), (15, 1379626), (30, 689813), (83, 249330), (166, 124665), (249, 83110), (415, 49866), (498, 41555), (830, 24933), (1245, 16622), (2490, 8311)]