20495736

素因数分解:

$2^3\times 3^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:237

約数の個数: 96

約数和(自身を含む): 58378320

約数和(自身を除く): 37882584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 41, 53, 72, 82, 106, 123, 131, 159, 164, 212, 246, 262, 318, 328, 369, 393, 424, 477, 492, 524, 636, 738, 786, 954, 984, 1048, 1179, 1272, 1476, 1572, 1908, 2173, 2358, 2952, 3144, 3816, 4346, 4716, 5371, 6519, 6943, 8692, 9432, 10742, 13038, 13886, 16113, 17384, 19557, 20829, 21484, 26076, 27772, 32226, 39114, 41658, 42968, 48339, 52152, 55544, 62487, 64452, 78228, 83316, 96678, 124974, 128904, 156456, 166632, 193356, 249948, 284663, 386712, 499896, 569326, 853989, 1138652, 1707978, 2277304, 2561967, 3415956, 5123934, 6831912, 10247868, 20495736]

約数ペア:

[(1, 20495736), (2, 10247868), (3, 6831912), (4, 5123934), (6, 3415956), (8, 2561967), (9, 2277304), (12, 1707978), (18, 1138652), (24, 853989), (36, 569326), (41, 499896), (53, 386712), (72, 284663), (82, 249948), (106, 193356), (123, 166632), (131, 156456), (159, 128904), (164, 124974), (212, 96678), (246, 83316), (262, 78228), (318, 64452), (328, 62487), (369, 55544), (393, 52152), (424, 48339), (477, 42968), (492, 41658), (524, 39114), (636, 32226), (738, 27772), (786, 26076), (954, 21484), (984, 20829), (1048, 19557), (1179, 17384), (1272, 16113), (1476, 13886), (1572, 13038), (1908, 10742), (2173, 9432), (2358, 8692), (2952, 6943), (3144, 6519), (3816, 5371), (4346, 4716)]