20284970

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{443}}^1$

素因数の和:710

約数の個数: 32

約数和(自身を含む): 38681280

約数和(自身を除く): 18396310

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 241, 443, 482, 886, 1205, 2215, 2410, 4430, 4579, 8417, 9158, 16834, 22895, 42085, 45790, 84170, 106763, 213526, 533815, 1067630, 2028497, 4056994, 10142485, 20284970]

約数ペア:

[(1, 20284970), (2, 10142485), (5, 4056994), (10, 2028497), (19, 1067630), (38, 533815), (95, 213526), (190, 106763), (241, 84170), (443, 45790), (482, 42085), (886, 22895), (1205, 16834), (2215, 9158), (2410, 8417), (4430, 4579)]