20808420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18253}}^1$

素因数の和:18284

約数の個数: 48

約数和(自身を含む): 61333440

約数和(自身を除く): 40525020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 18253, 36506, 54759, 73012, 91265, 109518, 182530, 219036, 273795, 346807, 365060, 547590, 693614, 1040421, 1095180, 1387228, 1734035, 2080842, 3468070, 4161684, 5202105, 6936140, 10404210, 20808420]

約数ペア:

[(1, 20808420), (2, 10404210), (3, 6936140), (4, 5202105), (5, 4161684), (6, 3468070), (10, 2080842), (12, 1734035), (15, 1387228), (19, 1095180), (20, 1040421), (30, 693614), (38, 547590), (57, 365060), (60, 346807), (76, 273795), (95, 219036), (114, 182530), (190, 109518), (228, 91265), (285, 73012), (380, 54759), (570, 36506), (1140, 18253)]