20234900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:369

約数の個数: 72

約数和(自身を含む): 50788416

約数和(自身を除く): 30553516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 137, 140, 175, 211, 274, 350, 422, 548, 685, 700, 844, 959, 1055, 1370, 1477, 1918, 2110, 2740, 2954, 3425, 3836, 4220, 4795, 5275, 5908, 6850, 7385, 9590, 10550, 13700, 14770, 19180, 21100, 23975, 28907, 29540, 36925, 47950, 57814, 73850, 95900, 115628, 144535, 147700, 202349, 289070, 404698, 578140, 722675, 809396, 1011745, 1445350, 2023490, 2890700, 4046980, 5058725, 10117450, 20234900]

約数ペア:

[(1, 20234900), (2, 10117450), (4, 5058725), (5, 4046980), (7, 2890700), (10, 2023490), (14, 1445350), (20, 1011745), (25, 809396), (28, 722675), (35, 578140), (50, 404698), (70, 289070), (100, 202349), (137, 147700), (140, 144535), (175, 115628), (211, 95900), (274, 73850), (350, 57814), (422, 47950), (548, 36925), (685, 29540), (700, 28907), (844, 23975), (959, 21100), (1055, 19180), (1370, 14770), (1477, 13700), (1918, 10550), (2110, 9590), (2740, 7385), (2954, 6850), (3425, 5908), (3836, 5275), (4220, 4795)]