20436690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{4339}}^1$

素因数の和:4506

約数の個数: 32

約数和(自身を含む): 49371840

約数和(自身を除く): 28935150

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 157, 314, 471, 785, 942, 1570, 2355, 4339, 4710, 8678, 13017, 21695, 26034, 43390, 65085, 130170, 681223, 1362446, 2043669, 3406115, 4087338, 6812230, 10218345, 20436690]

約数ペア:

[(1, 20436690), (2, 10218345), (3, 6812230), (5, 4087338), (6, 3406115), (10, 2043669), (15, 1362446), (30, 681223), (157, 130170), (314, 65085), (471, 43390), (785, 26034), (942, 21695), (1570, 13017), (2355, 8678), (4339, 4710)]