20246880

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{42181}}^1$

素因数の和:42199

約数の個数: 48

約数和(自身を含む): 63779184

約数和(自身を除く): 43532304

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 42181, 84362, 126543, 168724, 210905, 253086, 337448, 421810, 506172, 632715, 674896, 843620, 1012344, 1265430, 1349792, 1687240, 2024688, 2530860, 3374480, 4049376, 5061720, 6748960, 10123440, 20246880]

約数ペア:

[(1, 20246880), (2, 10123440), (3, 6748960), (4, 5061720), (5, 4049376), (6, 3374480), (8, 2530860), (10, 2024688), (12, 1687240), (15, 1349792), (16, 1265430), (20, 1012344), (24, 843620), (30, 674896), (32, 632715), (40, 506172), (48, 421810), (60, 337448), (80, 253086), (96, 210905), (120, 168724), (160, 126543), (240, 84362), (480, 42181)]