20078076708

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{256661}}^1$

素因数の和:256765

約数の個数: 72

約数和(自身を含む): 52971956856

約数和(自身を除く): 32893880148

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 53, 82, 106, 123, 159, 164, 212, 246, 318, 369, 477, 492, 636, 738, 954, 1476, 1908, 2173, 4346, 6519, 8692, 13038, 19557, 26076, 39114, 78228, 256661, 513322, 769983, 1026644, 1539966, 2309949, 3079932, 4619898, 9239796, 10523101, 13603033, 21046202, 27206066, 31569303, 40809099, 42092404, 54412132, 63138606, 81618198, 94707909, 122427297, 126277212, 163236396, 189415818, 244854594, 378831636, 489709188, 557724353, 1115448706, 1673173059, 2230897412, 3346346118, 5019519177, 6692692236, 10039038354, 20078076708]

約数ペア:

[(1, 20078076708), (2, 10039038354), (3, 6692692236), (4, 5019519177), (6, 3346346118), (9, 2230897412), (12, 1673173059), (18, 1115448706), (36, 557724353), (41, 489709188), (53, 378831636), (82, 244854594), (106, 189415818), (123, 163236396), (159, 126277212), (164, 122427297), (212, 94707909), (246, 81618198), (318, 63138606), (369, 54412132), (477, 42092404), (492, 40809099), (636, 31569303), (738, 27206066), (954, 21046202), (1476, 13603033), (1908, 10523101), (2173, 9239796), (4346, 4619898), (6519, 3079932), (8692, 2309949), (13038, 1539966), (19557, 1026644), (26076, 769983), (39114, 513322), (78228, 256661)]