20320730

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1667}}^1$

素因数の和:1750

約数の個数: 32

約数和(自身を含む): 38911104

約数和(自身を除く): 18590374

約数列:

[1, 2, 5, 10, 23, 46, 53, 106, 115, 230, 265, 530, 1219, 1667, 2438, 3334, 6095, 8335, 12190, 16670, 38341, 76682, 88351, 176702, 191705, 383410, 441755, 883510, 2032073, 4064146, 10160365, 20320730]

約数ペア:

[(1, 20320730), (2, 10160365), (5, 4064146), (10, 2032073), (23, 883510), (46, 441755), (53, 383410), (106, 191705), (115, 176702), (230, 88351), (265, 76682), (530, 38341), (1219, 16670), (1667, 12190), (2438, 8335), (3334, 6095)]