20499930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20707}}^1$

素因数の和:20731

約数の個数: 48

約数和(自身を含む): 58148064

約数和(自身を除く): 37648134

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 20707, 41414, 62121, 103535, 124242, 186363, 207070, 227777, 310605, 372726, 455554, 621210, 683331, 931815, 1138885, 1366662, 1863630, 2049993, 2277770, 3416655, 4099986, 6833310, 10249965, 20499930]

約数ペア:

[(1, 20499930), (2, 10249965), (3, 6833310), (5, 4099986), (6, 3416655), (9, 2277770), (10, 2049993), (11, 1863630), (15, 1366662), (18, 1138885), (22, 931815), (30, 683331), (33, 621210), (45, 455554), (55, 372726), (66, 310605), (90, 227777), (99, 207070), (110, 186363), (165, 124242), (198, 103535), (330, 62121), (495, 41414), (990, 20707)]