20213416

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1873}}^1$

素因数の和:1969

約数の個数: 32

約数和(自身を含む): 40478400

約数和(自身を除く): 20264984

約数列:

[1, 2, 4, 8, 19, 38, 71, 76, 142, 152, 284, 568, 1349, 1873, 2698, 3746, 5396, 7492, 10792, 14984, 35587, 71174, 132983, 142348, 265966, 284696, 531932, 1063864, 2526677, 5053354, 10106708, 20213416]

約数ペア:

[(1, 20213416), (2, 10106708), (4, 5053354), (8, 2526677), (19, 1063864), (38, 531932), (71, 284696), (76, 265966), (142, 142348), (152, 132983), (284, 71174), (568, 35587), (1349, 14984), (1873, 10792), (2698, 7492), (3746, 5396)]