20257930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{26309}}^1$

素因数の和:26334

約数の個数: 32

約数和(自身を含む): 45463680

約数和(自身を除く): 25205750

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 26309, 52618, 131545, 184163, 263090, 289399, 368326, 578798, 920815, 1446995, 1841630, 2025793, 2893990, 4051586, 10128965, 20257930]

約数ペア:

[(1, 20257930), (2, 10128965), (5, 4051586), (7, 2893990), (10, 2025793), (11, 1841630), (14, 1446995), (22, 920815), (35, 578798), (55, 368326), (70, 289399), (77, 263090), (110, 184163), (154, 131545), (385, 52618), (770, 26309)]