20276110

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{443}}^1$

素因数の和:672

約数の個数: 32

約数和(自身を含む): 38361600

約数和(自身を除く): 18085490

約数列:

[1, 2, 5, 10, 23, 46, 115, 199, 230, 398, 443, 886, 995, 1990, 2215, 4430, 4577, 9154, 10189, 20378, 22885, 45770, 50945, 88157, 101890, 176314, 440785, 881570, 2027611, 4055222, 10138055, 20276110]

約数ペア:

[(1, 20276110), (2, 10138055), (5, 4055222), (10, 2027611), (23, 881570), (46, 440785), (115, 176314), (199, 101890), (230, 88157), (398, 50945), (443, 45770), (886, 22885), (995, 20378), (1990, 10189), (2215, 9154), (4430, 4577)]