20725260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3169}}^1$

素因数の和:3290

約数の個数: 48

約数和(自身を含む): 58581600

約数和(自身を除く): 37856340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 218, 327, 436, 545, 654, 1090, 1308, 1635, 2180, 3169, 3270, 6338, 6540, 9507, 12676, 15845, 19014, 31690, 38028, 47535, 63380, 95070, 190140, 345421, 690842, 1036263, 1381684, 1727105, 2072526, 3454210, 4145052, 5181315, 6908420, 10362630, 20725260]

約数ペア:

[(1, 20725260), (2, 10362630), (3, 6908420), (4, 5181315), (5, 4145052), (6, 3454210), (10, 2072526), (12, 1727105), (15, 1381684), (20, 1036263), (30, 690842), (60, 345421), (109, 190140), (218, 95070), (327, 63380), (436, 47535), (545, 38028), (654, 31690), (1090, 19014), (1308, 15845), (1635, 12676), (2180, 9507), (3169, 6540), (3270, 6338)]