13661840

素因数分解:

$2^4\times 5^1\times {\mathrm{170773}}^1$

素因数の和:170786

約数の個数: 20

約数和(自身を含む): 31763964

約数和(自身を除く): 18102124

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 170773, 341546, 683092, 853865, 1366184, 1707730, 2732368, 3415460, 6830920, 13661840]

約数ペア:

[(1, 13661840), (2, 6830920), (4, 3415460), (5, 2732368), (8, 1707730), (10, 1366184), (16, 853865), (20, 683092), (40, 341546), (80, 170773)]