20045800

素因数分解:

$2^3\times 5^2\times {\mathrm{73}}^1\times {\mathrm{1373}}^1$

素因数の和:1462

約数の個数: 48

約数和(自身を含む): 47279340

約数和(自身を除く): 27233540

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 73, 100, 146, 200, 292, 365, 584, 730, 1373, 1460, 1825, 2746, 2920, 3650, 5492, 6865, 7300, 10984, 13730, 14600, 27460, 34325, 54920, 68650, 100229, 137300, 200458, 274600, 400916, 501145, 801832, 1002290, 2004580, 2505725, 4009160, 5011450, 10022900, 20045800]

約数ペア:

[(1, 20045800), (2, 10022900), (4, 5011450), (5, 4009160), (8, 2505725), (10, 2004580), (20, 1002290), (25, 801832), (40, 501145), (50, 400916), (73, 274600), (100, 200458), (146, 137300), (200, 100229), (292, 68650), (365, 54920), (584, 34325), (730, 27460), (1373, 14600), (1460, 13730), (1825, 10984), (2746, 7300), (2920, 6865), (3650, 5492)]