20589200

素因数分解:

$2^4\times 5^2\times {\mathrm{51473}}^1$

素因数の和:51491

約数の個数: 30

約数和(自身を含む): 49466514

約数和(自身を除く): 28877314

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 51473, 102946, 205892, 257365, 411784, 514730, 823568, 1029460, 1286825, 2058920, 2573650, 4117840, 5147300, 10294600, 20589200]

約数ペア:

[(1, 20589200), (2, 10294600), (4, 5147300), (5, 4117840), (8, 2573650), (10, 2058920), (16, 1286825), (20, 1029460), (25, 823568), (40, 514730), (50, 411784), (80, 257365), (100, 205892), (200, 102946), (400, 51473)]