20021575

素因数分解:

$5^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{599}}^1$

素因数の和:807

約数の個数: 24

約数和(自身を含む): 28569600

約数和(自身を除く): 8548025

約数列:

[1, 5, 7, 25, 35, 175, 191, 599, 955, 1337, 2995, 4193, 4775, 6685, 14975, 20965, 33425, 104825, 114409, 572045, 800863, 2860225, 4004315, 20021575]

約数ペア:

[(1, 20021575), (5, 4004315), (7, 2860225), (25, 800863), (35, 572045), (175, 114409), (191, 104825), (599, 33425), (955, 20965), (1337, 14975), (2995, 6685), (4193, 4775)]