20385958

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:372

約数の個数: 32

約数和(自身を含む): 34214400

約数和(自身を除く): 13828442

約数列:

[1, 2, 17, 23, 34, 46, 131, 199, 262, 391, 398, 782, 2227, 3013, 3383, 4454, 4577, 6026, 6766, 9154, 26069, 51221, 52138, 77809, 102442, 155618, 443173, 599587, 886346, 1199174, 10192979, 20385958]

約数ペア:

[(1, 20385958), (2, 10192979), (17, 1199174), (23, 886346), (34, 599587), (46, 443173), (131, 155618), (199, 102442), (262, 77809), (391, 52138), (398, 51221), (782, 26069), (2227, 9154), (3013, 6766), (3383, 6026), (4454, 4577)]