20874730

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{607}}^1$

素因数の和:814

約数の個数: 32

約数和(自身を含む): 39836160

約数和(自身を除く): 18961430

約数列:

[1, 2, 5, 10, 19, 38, 95, 181, 190, 362, 607, 905, 1214, 1810, 3035, 3439, 6070, 6878, 11533, 17195, 23066, 34390, 57665, 109867, 115330, 219734, 549335, 1098670, 2087473, 4174946, 10437365, 20874730]

約数ペア:

[(1, 20874730), (2, 10437365), (5, 4174946), (10, 2087473), (19, 1098670), (38, 549335), (95, 219734), (181, 115330), (190, 109867), (362, 57665), (607, 34390), (905, 23066), (1214, 17195), (1810, 11533), (3035, 6878), (3439, 6070)]