20085560460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{15940921}}^1$

素因数の和:15940943

約数の個数: 72

約数和(自身を含む): 69629947296

約数和(自身を除く): 49544386836

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 15940921, 31881842, 47822763, 63763684, 79704605, 95645526, 111586447, 143468289, 159409210, 191291052, 223172894, 239113815, 286936578, 318818420, 334759341, 446345788, 478227630, 557932235, 573873156, 669518682, 717341445, 956455260, 1004278023, 1115864470, 1339037364, 1434682890, 1673796705, 2008556046, 2231728940, 2869365780, 3347593410, 4017112092, 5021390115, 6695186820, 10042780230, 20085560460]

約数ペア:

[(1, 20085560460), (2, 10042780230), (3, 6695186820), (4, 5021390115), (5, 4017112092), (6, 3347593410), (7, 2869365780), (9, 2231728940), (10, 2008556046), (12, 1673796705), (14, 1434682890), (15, 1339037364), (18, 1115864470), (20, 1004278023), (21, 956455260), (28, 717341445), (30, 669518682), (35, 573873156), (36, 557932235), (42, 478227630), (45, 446345788), (60, 334759341), (63, 318818420), (70, 286936578), (84, 239113815), (90, 223172894), (105, 191291052), (126, 159409210), (140, 143468289), (180, 111586447), (210, 95645526), (252, 79704605), (315, 63763684), (420, 47822763), (630, 31881842), (1260, 15940921)]