20622370

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{241}}^1$

素因数の和:490

約数の個数: 32

約数和(自身を含む): 38332800

約数和(自身を除く): 17710430

約数列:

[1, 2, 5, 10, 43, 86, 199, 215, 241, 398, 430, 482, 995, 1205, 1990, 2410, 8557, 10363, 17114, 20726, 42785, 47959, 51815, 85570, 95918, 103630, 239795, 479590, 2062237, 4124474, 10311185, 20622370]

約数ペア:

[(1, 20622370), (2, 10311185), (5, 4124474), (10, 2062237), (43, 479590), (86, 239795), (199, 103630), (215, 95918), (241, 85570), (398, 51815), (430, 47959), (482, 42785), (995, 20726), (1205, 17114), (1990, 10363), (2410, 8557)]