20798280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{57773}}^1$

素因数の和:57790

約数の個数: 48

約数和(自身を含む): 67595580

約数和(自身を除く): 46797300

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 57773, 115546, 173319, 231092, 288865, 346638, 462184, 519957, 577730, 693276, 866595, 1039914, 1155460, 1386552, 1733190, 2079828, 2310920, 2599785, 3466380, 4159656, 5199570, 6932760, 10399140, 20798280]

約数ペア:

[(1, 20798280), (2, 10399140), (3, 6932760), (4, 5199570), (5, 4159656), (6, 3466380), (8, 2599785), (9, 2310920), (10, 2079828), (12, 1733190), (15, 1386552), (18, 1155460), (20, 1039914), (24, 866595), (30, 693276), (36, 577730), (40, 519957), (45, 462184), (60, 346638), (72, 288865), (90, 231092), (120, 173319), (180, 115546), (360, 57773)]