20138236088

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{137}}^2\times {\mathrm{1889}}^1$

素因数の和:2240

約数の個数: 48

約数和(自身を含む): 38592968400

約数和(自身を除く): 18454732312

約数列:

[1, 2, 4, 8, 71, 137, 142, 274, 284, 548, 568, 1096, 1889, 3778, 7556, 9727, 15112, 18769, 19454, 37538, 38908, 75076, 77816, 134119, 150152, 258793, 268238, 517586, 536476, 1035172, 1072952, 1332599, 2070344, 2665198, 5330396, 10660792, 18374303, 35454641, 36748606, 70909282, 73497212, 141818564, 146994424, 283637128, 2517279511, 5034559022, 10069118044, 20138236088]

約数ペア:

[(1, 20138236088), (2, 10069118044), (4, 5034559022), (8, 2517279511), (71, 283637128), (137, 146994424), (142, 141818564), (274, 73497212), (284, 70909282), (548, 36748606), (568, 35454641), (1096, 18374303), (1889, 10660792), (3778, 5330396), (7556, 2665198), (9727, 2070344), (15112, 1332599), (18769, 1072952), (19454, 1035172), (37538, 536476), (38908, 517586), (75076, 268238), (77816, 258793), (134119, 150152)]