20425260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{7243}}^1$

素因数の和:7302

約数の個数: 48

約数和(自身を含む): 58415616

約数和(自身を除く): 37990356

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820, 7243, 14486, 21729, 28972, 36215, 43458, 72430, 86916, 108645, 144860, 217290, 340421, 434580, 680842, 1021263, 1361684, 1702105, 2042526, 3404210, 4085052, 5106315, 6808420, 10212630, 20425260]

約数ペア:

[(1, 20425260), (2, 10212630), (3, 6808420), (4, 5106315), (5, 4085052), (6, 3404210), (10, 2042526), (12, 1702105), (15, 1361684), (20, 1021263), (30, 680842), (47, 434580), (60, 340421), (94, 217290), (141, 144860), (188, 108645), (235, 86916), (282, 72430), (470, 43458), (564, 36215), (705, 28972), (940, 21729), (1410, 14486), (2820, 7243)]