20754480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{86477}}^1$

素因数の和:86493

約数の個数: 40

約数和(自身を含む): 64339632

約数和(自身を除く): 43585152

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 86477, 172954, 259431, 345908, 432385, 518862, 691816, 864770, 1037724, 1297155, 1383632, 1729540, 2075448, 2594310, 3459080, 4150896, 5188620, 6918160, 10377240, 20754480]

約数ペア:

[(1, 20754480), (2, 10377240), (3, 6918160), (4, 5188620), (5, 4150896), (6, 3459080), (8, 2594310), (10, 2075448), (12, 1729540), (15, 1383632), (16, 1297155), (20, 1037724), (24, 864770), (30, 691816), (40, 518862), (48, 432385), (60, 345908), (80, 259431), (120, 172954), (240, 86477)]