202184980

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{19861}}^1$

素因数の和:20379

約数の個数: 24

約数和(自身を含む): 425444040

約数和(自身を除く): 223259060

約数列:

[1, 2, 4, 5, 10, 20, 509, 1018, 2036, 2545, 5090, 10180, 19861, 39722, 79444, 99305, 198610, 397220, 10109249, 20218498, 40436996, 50546245, 101092490, 202184980]

約数ペア:

[(1, 202184980), (2, 101092490), (4, 50546245), (5, 40436996), (10, 20218498), (20, 10109249), (509, 397220), (1018, 198610), (2036, 99305), (2545, 79444), (5090, 39722), (10180, 19861)]