20801160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{57781}}^1$

素因数の和:57798

約数の個数: 48

約数和(自身を含む): 67604940

約数和(自身を除く): 46803780

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, 57781, 115562, 173343, 231124, 288905, 346686, 462248, 520029, 577810, 693372, 866715, 1040058, 1155620, 1386744, 1733430, 2080116, 2311240, 2600145, 3466860, 4160232, 5200290, 6933720, 10400580, 20801160]

約数ペア:

[(1, 20801160), (2, 10400580), (3, 6933720), (4, 5200290), (5, 4160232), (6, 3466860), (8, 2600145), (9, 2311240), (10, 2080116), (12, 1733430), (15, 1386744), (18, 1155620), (20, 1040058), (24, 866715), (30, 693372), (36, 577810), (40, 520029), (45, 462248), (60, 346686), (72, 288905), (90, 231124), (120, 173343), (180, 115562), (360, 57781)]