20958264

素因数分解:

$2^3\times 3^5\times {\mathrm{10781}}^1$

素因数の和:10802

約数の個数: 48

約数和(自身を含む): 58869720

約数和(自身を除く): 37911456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 648, 972, 1944, 10781, 21562, 32343, 43124, 64686, 86248, 97029, 129372, 194058, 258744, 291087, 388116, 582174, 776232, 873261, 1164348, 1746522, 2328696, 2619783, 3493044, 5239566, 6986088, 10479132, 20958264]

約数ペア:

[(1, 20958264), (2, 10479132), (3, 6986088), (4, 5239566), (6, 3493044), (8, 2619783), (9, 2328696), (12, 1746522), (18, 1164348), (24, 873261), (27, 776232), (36, 582174), (54, 388116), (72, 291087), (81, 258744), (108, 194058), (162, 129372), (216, 97029), (243, 86248), (324, 64686), (486, 43124), (648, 32343), (972, 21562), (1944, 10781)]