20123366944

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{560977}}^1$

素因数の和:561065

約数の個数: 48

約数和(自身を含む): 42409936800

約数和(自身を除く): 22286569856

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 59, 76, 118, 152, 236, 304, 472, 608, 944, 1121, 1888, 2242, 4484, 8968, 17936, 35872, 560977, 1121954, 2243908, 4487816, 8975632, 10658563, 17951264, 21317126, 33097643, 42634252, 66195286, 85268504, 132390572, 170537008, 264781144, 341074016, 529562288, 628855217, 1059124576, 1257710434, 2515420868, 5030841736, 10061683472, 20123366944]

約数ペア:

[(1, 20123366944), (2, 10061683472), (4, 5030841736), (8, 2515420868), (16, 1257710434), (19, 1059124576), (32, 628855217), (38, 529562288), (59, 341074016), (76, 264781144), (118, 170537008), (152, 132390572), (236, 85268504), (304, 66195286), (472, 42634252), (608, 33097643), (944, 21317126), (1121, 17951264), (1888, 10658563), (2242, 8975632), (4484, 4487816), (8968, 2243908), (17936, 1121954), (35872, 560977)]