20443650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{1867}}^1$

素因数の和:1955

約数の個数: 48

約数和(自身を含む): 51422304

約数和(自身を除く): 30978654

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 73, 75, 146, 150, 219, 365, 438, 730, 1095, 1825, 1867, 2190, 3650, 3734, 5475, 5601, 9335, 10950, 11202, 18670, 28005, 46675, 56010, 93350, 136291, 140025, 272582, 280050, 408873, 681455, 817746, 1362910, 2044365, 3407275, 4088730, 6814550, 10221825, 20443650]

約数ペア:

[(1, 20443650), (2, 10221825), (3, 6814550), (5, 4088730), (6, 3407275), (10, 2044365), (15, 1362910), (25, 817746), (30, 681455), (50, 408873), (73, 280050), (75, 272582), (146, 140025), (150, 136291), (219, 93350), (365, 56010), (438, 46675), (730, 28005), (1095, 18670), (1825, 11202), (1867, 10950), (2190, 9335), (3650, 5601), (3734, 5475)]