20501472897

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{2999}}^1\times {\mathrm{5387}}^1$

素因数の和:8442

約数の個数: 32

約数和(自身を含む): 31034880000

約数和(自身を除く): 10533407103

約数列:

[1, 3, 9, 27, 47, 141, 423, 1269, 2999, 5387, 8997, 16161, 26991, 48483, 80973, 140953, 145449, 253189, 422859, 759567, 1268577, 2278701, 3805731, 6836103, 16155613, 48466839, 145400517, 436201551, 759313811, 2277941433, 6833824299, 20501472897]

約数ペア:

[(1, 20501472897), (3, 6833824299), (9, 2277941433), (27, 759313811), (47, 436201551), (141, 145400517), (423, 48466839), (1269, 16155613), (2999, 6836103), (5387, 3805731), (8997, 2278701), (16161, 1268577), (26991, 759567), (48483, 422859), (80973, 253189), (140953, 145449)]