20122065

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{10399}}^1$

素因数の和:10453

約数の個数: 24

約数和(自身を含む): 35692800

約数和(自身を除く): 15570735

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 10399, 31197, 51995, 93591, 155985, 447157, 467955, 1341471, 2235785, 4024413, 6707355, 20122065]

約数ペア:

[(1, 20122065), (3, 6707355), (5, 4024413), (9, 2235785), (15, 1341471), (43, 467955), (45, 447157), (129, 155985), (215, 93591), (387, 51995), (645, 31197), (1935, 10399)]