20611440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{28627}}^1$

素因数の和:28646

約数の個数: 60

約数和(自身を含む): 69222504

約数和(自身を除く): 48611064

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 28627, 57254, 85881, 114508, 143135, 171762, 229016, 257643, 286270, 343524, 429405, 458032, 515286, 572540, 687048, 858810, 1030572, 1145080, 1288215, 1374096, 1717620, 2061144, 2290160, 2576430, 3435240, 4122288, 5152860, 6870480, 10305720, 20611440]

約数ペア:

[(1, 20611440), (2, 10305720), (3, 6870480), (4, 5152860), (5, 4122288), (6, 3435240), (8, 2576430), (9, 2290160), (10, 2061144), (12, 1717620), (15, 1374096), (16, 1288215), (18, 1145080), (20, 1030572), (24, 858810), (30, 687048), (36, 572540), (40, 515286), (45, 458032), (48, 429405), (60, 343524), (72, 286270), (80, 257643), (90, 229016), (120, 171762), (144, 143135), (180, 114508), (240, 85881), (360, 57254), (720, 28627)]