20914305

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1097}}^1$

素因数の和:1177

約数の個数: 32

約数和(自身を含む): 35417088

約数和(自身を除く): 14502783

約数列:

[1, 3, 5, 15, 31, 41, 93, 123, 155, 205, 465, 615, 1097, 1271, 3291, 3813, 5485, 6355, 16455, 19065, 34007, 44977, 102021, 134931, 170035, 224885, 510105, 674655, 1394287, 4182861, 6971435, 20914305]

約数ペア:

[(1, 20914305), (3, 6971435), (5, 4182861), (15, 1394287), (31, 674655), (41, 510105), (93, 224885), (123, 170035), (155, 134931), (205, 102021), (465, 44977), (615, 34007), (1097, 19065), (1271, 16455), (3291, 6355), (3813, 5485)]