20219031427

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1\times {\mathrm{1999}}^1$

素因数の和:2395

約数の個数: 32

約数和(自身を含む): 23846400000

約数和(自身を除く): 3627368573

約数列:

[1, 7, 53, 137, 199, 371, 959, 1393, 1999, 7261, 10547, 13993, 27263, 50827, 73829, 105947, 190841, 273863, 397801, 741629, 1444939, 1917041, 2784607, 10114573, 14514739, 21083453, 54498737, 101603173, 147584171, 381491159, 2888433061, 20219031427]

約数ペア:

[(1, 20219031427), (7, 2888433061), (53, 381491159), (137, 147584171), (199, 101603173), (371, 54498737), (959, 21083453), (1393, 14514739), (1999, 10114573), (7261, 2784607), (10547, 1917041), (13993, 1444939), (27263, 741629), (50827, 397801), (73829, 273863), (105947, 190841)]