20806860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{541}}^1\times {\mathrm{641}}^1$

素因数の和:1194

約数の個数: 48

約数和(自身を含む): 58457952

約数和(自身を除く): 37651092

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 541, 641, 1082, 1282, 1623, 1923, 2164, 2564, 2705, 3205, 3246, 3846, 5410, 6410, 6492, 7692, 8115, 9615, 10820, 12820, 16230, 19230, 32460, 38460, 346781, 693562, 1040343, 1387124, 1733905, 2080686, 3467810, 4161372, 5201715, 6935620, 10403430, 20806860]

約数ペア:

[(1, 20806860), (2, 10403430), (3, 6935620), (4, 5201715), (5, 4161372), (6, 3467810), (10, 2080686), (12, 1733905), (15, 1387124), (20, 1040343), (30, 693562), (60, 346781), (541, 38460), (641, 32460), (1082, 19230), (1282, 16230), (1623, 12820), (1923, 10820), (2164, 9615), (2564, 8115), (2705, 7692), (3205, 6492), (3246, 6410), (3846, 5410)]