20602600

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{3323}}^1$

素因数の和:3370

約数の個数: 48

約数和(自身を含む): 49461120

約数和(自身を除く): 28858520

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 620, 775, 1240, 1550, 3100, 3323, 6200, 6646, 13292, 16615, 26584, 33230, 66460, 83075, 103013, 132920, 166150, 206026, 332300, 412052, 515065, 664600, 824104, 1030130, 2060260, 2575325, 4120520, 5150650, 10301300, 20602600]

約数ペア:

[(1, 20602600), (2, 10301300), (4, 5150650), (5, 4120520), (8, 2575325), (10, 2060260), (20, 1030130), (25, 824104), (31, 664600), (40, 515065), (50, 412052), (62, 332300), (100, 206026), (124, 166150), (155, 132920), (200, 103013), (248, 83075), (310, 66460), (620, 33230), (775, 26584), (1240, 16615), (1550, 13292), (3100, 6646), (3323, 6200)]