20145789825

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{1723}}^1\times {\mathrm{22271}}^1$

素因数の和:24014

約数の個数: 48

約数和(自身を含む): 38089752576

約数和(自身を除く): 17943962751

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 1723, 5169, 8615, 12061, 22271, 25845, 36183, 43075, 60305, 66813, 111355, 129225, 155897, 180915, 301525, 334065, 467691, 556775, 779485, 904575, 1670325, 2338455, 3897425, 11692275, 38372933, 115118799, 191864665, 268610531, 575593995, 805831593, 959323325, 1343052655, 2877969975, 4029157965, 6715263275, 20145789825]

約数ペア:

[(1, 20145789825), (3, 6715263275), (5, 4029157965), (7, 2877969975), (15, 1343052655), (21, 959323325), (25, 805831593), (35, 575593995), (75, 268610531), (105, 191864665), (175, 115118799), (525, 38372933), (1723, 11692275), (5169, 3897425), (8615, 2338455), (12061, 1670325), (22271, 904575), (25845, 779485), (36183, 556775), (43075, 467691), (60305, 334065), (66813, 301525), (111355, 180915), (129225, 155897)]