20490234

素因数分解:

$2^1\times 3^1\times {\mathrm{131}}^2\times {\mathrm{199}}^1$

素因数の和:466

約数の個数: 24

約数和(自身を含む): 41503200

約数和(自身を除く): 21012966

約数列:

[1, 2, 3, 6, 131, 199, 262, 393, 398, 597, 786, 1194, 17161, 26069, 34322, 51483, 52138, 78207, 102966, 156414, 3415039, 6830078, 10245117, 20490234]

約数ペア:

[(1, 20490234), (2, 10245117), (3, 6830078), (6, 3415039), (131, 156414), (199, 102966), (262, 78207), (393, 52138), (398, 51483), (597, 34322), (786, 26069), (1194, 17161)]