20502200

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{4457}}^1$

素因数の和:4496

約数の個数: 48

約数和(自身を含む): 49751280

約数和(自身を除く): 29249080

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 184, 200, 230, 460, 575, 920, 1150, 2300, 4457, 4600, 8914, 17828, 22285, 35656, 44570, 89140, 102511, 111425, 178280, 205022, 222850, 410044, 445700, 512555, 820088, 891400, 1025110, 2050220, 2562775, 4100440, 5125550, 10251100, 20502200]

約数ペア:

[(1, 20502200), (2, 10251100), (4, 5125550), (5, 4100440), (8, 2562775), (10, 2050220), (20, 1025110), (23, 891400), (25, 820088), (40, 512555), (46, 445700), (50, 410044), (92, 222850), (100, 205022), (115, 178280), (184, 111425), (200, 102511), (230, 89140), (460, 44570), (575, 35656), (920, 22285), (1150, 17828), (2300, 8914), (4457, 4600)]