20639460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1801}}^1$

素因数の和:2004

約数の個数: 48

約数和(自身を含む): 58125312

約数和(自身を除く): 37485852

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 191, 382, 573, 764, 955, 1146, 1801, 1910, 2292, 2865, 3602, 3820, 5403, 5730, 7204, 9005, 10806, 11460, 18010, 21612, 27015, 36020, 54030, 108060, 343991, 687982, 1031973, 1375964, 1719955, 2063946, 3439910, 4127892, 5159865, 6879820, 10319730, 20639460]

約数ペア:

[(1, 20639460), (2, 10319730), (3, 6879820), (4, 5159865), (5, 4127892), (6, 3439910), (10, 2063946), (12, 1719955), (15, 1375964), (20, 1031973), (30, 687982), (60, 343991), (191, 108060), (382, 54030), (573, 36020), (764, 27015), (955, 21612), (1146, 18010), (1801, 11460), (1910, 10806), (2292, 9005), (2865, 7204), (3602, 5730), (3820, 5403)]