20409822747

素因数分解:

$3^3\times {\mathrm{37}}^2\times {\mathrm{157}}^1\times {\mathrm{3517}}^1$

素因数の和:3757

約数の個数: 48

約数和(自身を含む): 31282900320

約数和(自身を除く): 10873077573

約数列:

[1, 3, 9, 27, 37, 111, 157, 333, 471, 999, 1369, 1413, 3517, 4107, 4239, 5809, 10551, 12321, 17427, 31653, 36963, 52281, 94959, 130129, 156843, 214933, 390387, 552169, 644799, 1171161, 1656507, 1934397, 3513483, 4814773, 4969521, 5803191, 14444319, 14908563, 20430253, 43332957, 61290759, 129998871, 183872277, 551616831, 755919361, 2267758083, 6803274249, 20409822747]

約数ペア:

[(1, 20409822747), (3, 6803274249), (9, 2267758083), (27, 755919361), (37, 551616831), (111, 183872277), (157, 129998871), (333, 61290759), (471, 43332957), (999, 20430253), (1369, 14908563), (1413, 14444319), (3517, 5803191), (4107, 4969521), (4239, 4814773), (5809, 3513483), (10551, 1934397), (12321, 1656507), (17427, 1171161), (31653, 644799), (36963, 552169), (52281, 390387), (94959, 214933), (130129, 156843)]