20159930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{9931}}^1$

素因数の和:9974

約数の個数: 32

約数和(自身を含む): 42906240

約数和(自身を除く): 22746310

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 9931, 19862, 49655, 69517, 99310, 139034, 287999, 347585, 575998, 695170, 1439995, 2015993, 2879990, 4031986, 10079965, 20159930]

約数ペア:

[(1, 20159930), (2, 10079965), (5, 4031986), (7, 2879990), (10, 2015993), (14, 1439995), (29, 695170), (35, 575998), (58, 347585), (70, 287999), (145, 139034), (203, 99310), (290, 69517), (406, 49655), (1015, 19862), (2030, 9931)]