20211730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{26249}}^1$

素因数の和:26274

約数の個数: 32

約数和(自身を含む): 45360000

約数和(自身を除く): 25148270

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 26249, 52498, 131245, 183743, 262490, 288739, 367486, 577478, 918715, 1443695, 1837430, 2021173, 2887390, 4042346, 10105865, 20211730]

約数ペア:

[(1, 20211730), (2, 10105865), (5, 4042346), (7, 2887390), (10, 2021173), (11, 1837430), (14, 1443695), (22, 918715), (35, 577478), (55, 367486), (70, 288739), (77, 262490), (110, 183743), (154, 131245), (385, 52498), (770, 26249)]