20539526

素因数分解:

$2^1\times 7^3\times {\mathrm{79}}^1\times {\mathrm{379}}^1$

素因数の和:481

約数の個数: 32

約数和(自身を含む): 36480000

約数和(自身を除く): 15940474

約数列:

[1, 2, 7, 14, 49, 79, 98, 158, 343, 379, 553, 686, 758, 1106, 2653, 3871, 5306, 7742, 18571, 27097, 29941, 37142, 54194, 59882, 129997, 209587, 259994, 419174, 1467109, 2934218, 10269763, 20539526]

約数ペア:

[(1, 20539526), (2, 10269763), (7, 2934218), (14, 1467109), (49, 419174), (79, 259994), (98, 209587), (158, 129997), (343, 59882), (379, 54194), (553, 37142), (686, 29941), (758, 27097), (1106, 18571), (2653, 7742), (3871, 5306)]