20615268

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{661}}^1$

素因数の和:804

約数の個数: 48

約数和(自身を含む): 50714496

約数和(自身を除く): 30099228

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 113, 138, 226, 276, 339, 452, 661, 678, 1322, 1356, 1983, 2599, 2644, 3966, 5198, 7797, 7932, 10396, 15203, 15594, 30406, 31188, 45609, 60812, 74693, 91218, 149386, 182436, 224079, 298772, 448158, 896316, 1717939, 3435878, 5153817, 6871756, 10307634, 20615268]

約数ペア:

[(1, 20615268), (2, 10307634), (3, 6871756), (4, 5153817), (6, 3435878), (12, 1717939), (23, 896316), (46, 448158), (69, 298772), (92, 224079), (113, 182436), (138, 149386), (226, 91218), (276, 74693), (339, 60812), (452, 45609), (661, 31188), (678, 30406), (1322, 15594), (1356, 15203), (1983, 10396), (2599, 7932), (2644, 7797), (3966, 5198)]