20184895845

素因数分解:

$3^5\times 5^1\times {\mathrm{3121}}^1\times {\mathrm{5323}}^1$

素因数の和:8464

約数の個数: 48

約数和(自身を含む): 36301417152

約数和(自身を除く): 16116521307

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 3121, 5323, 9363, 15605, 15969, 26615, 28089, 46815, 47907, 79845, 84267, 140445, 143721, 239535, 252801, 421335, 431163, 718605, 758403, 1264005, 1293489, 2155815, 3792015, 6467445, 16613083, 49839249, 83065415, 149517747, 249196245, 448553241, 747588735, 1345659723, 2242766205, 4036979169, 6728298615, 20184895845]

約数ペア:

[(1, 20184895845), (3, 6728298615), (5, 4036979169), (9, 2242766205), (15, 1345659723), (27, 747588735), (45, 448553241), (81, 249196245), (135, 149517747), (243, 83065415), (405, 49839249), (1215, 16613083), (3121, 6467445), (5323, 3792015), (9363, 2155815), (15605, 1293489), (15969, 1264005), (26615, 758403), (28089, 718605), (46815, 431163), (47907, 421335), (79845, 252801), (84267, 239535), (140445, 143721)]