20078070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1669}}^1$

素因数の和:2080

約数の個数: 32

約数和(自身を含む): 48336480

約数和(自身を除く): 28258410

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 401, 802, 1203, 1669, 2005, 2406, 3338, 4010, 5007, 6015, 8345, 10014, 12030, 16690, 25035, 50070, 669269, 1338538, 2007807, 3346345, 4015614, 6692690, 10039035, 20078070]

約数ペア:

[(1, 20078070), (2, 10039035), (3, 6692690), (5, 4015614), (6, 3346345), (10, 2007807), (15, 1338538), (30, 669269), (401, 50070), (802, 25035), (1203, 16690), (1669, 12030), (2005, 10014), (2406, 8345), (3338, 6015), (4010, 5007)]