20929129731

素因数分解:

$3^3\times {\mathrm{181}}^1\times {\mathrm{271}}^1\times {\mathrm{15803}}^1$

素因数の和:16264

約数の個数: 32

約数和(自身を含む): 31294448640

約数和(自身を除く): 10365318909

約数列:

[1, 3, 9, 27, 181, 271, 543, 813, 1629, 2439, 4887, 7317, 15803, 47409, 49051, 142227, 147153, 426681, 441459, 1324377, 2860343, 4282613, 8581029, 12847839, 25743087, 38543517, 77229261, 115630551, 775152953, 2325458859, 6976376577, 20929129731]

約数ペア:

[(1, 20929129731), (3, 6976376577), (9, 2325458859), (27, 775152953), (181, 115630551), (271, 77229261), (543, 38543517), (813, 25743087), (1629, 12847839), (2439, 8581029), (4887, 4282613), (7317, 2860343), (15803, 1324377), (47409, 441459), (49051, 426681), (142227, 147153)]