20179426120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{9901}}^1$

素因数の和:10199

約数の個数: 128

約数和(自身を含む): 53898566400

約数和(自身を除く): 33719140280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 251, 280, 290, 406, 502, 580, 812, 1004, 1015, 1160, 1255, 1624, 1757, 2008, 2030, 2510, 3514, 4060, 5020, 7028, 7279, 8120, 8785, 9901, 10040, 14056, 14558, 17570, 19802, 29116, 35140, 36395, 39604, 49505, 50953, 58232, 69307, 70280, 72790, 79208, 99010, 101906, 138614, 145580, 198020, 203812, 254765, 277228, 287129, 291160, 346535, 396040, 407624, 509530, 554456, 574258, 693070, 1019060, 1148516, 1386140, 1435645, 2009903, 2038120, 2297032, 2485151, 2772280, 2871290, 4019806, 4970302, 5742580, 8039612, 9940604, 10049515, 11485160, 12425755, 16079224, 17396057, 19881208, 20099030, 24851510, 34792114, 40198060, 49703020, 69584228, 72069379, 80396120, 86980285, 99406040, 139168456, 144138758, 173960570, 288277516, 347921140, 360346895, 504485653, 576555032, 695842280, 720693790, 1008971306, 1441387580, 2017942612, 2522428265, 2882775160, 4035885224, 5044856530, 10089713060, 20179426120]

約数ペア:

[(1, 20179426120), (2, 10089713060), (4, 5044856530), (5, 4035885224), (7, 2882775160), (8, 2522428265), (10, 2017942612), (14, 1441387580), (20, 1008971306), (28, 720693790), (29, 695842280), (35, 576555032), (40, 504485653), (56, 360346895), (58, 347921140), (70, 288277516), (116, 173960570), (140, 144138758), (145, 139168456), (203, 99406040), (232, 86980285), (251, 80396120), (280, 72069379), (290, 69584228), (406, 49703020), (502, 40198060), (580, 34792114), (812, 24851510), (1004, 20099030), (1015, 19881208), (1160, 17396057), (1255, 16079224), (1624, 12425755), (1757, 11485160), (2008, 10049515), (2030, 9940604), (2510, 8039612), (3514, 5742580), (4060, 4970302), (5020, 4019806), (7028, 2871290), (7279, 2772280), (8120, 2485151), (8785, 2297032), (9901, 2038120), (10040, 2009903), (14056, 1435645), (14558, 1386140), (17570, 1148516), (19802, 1019060), (29116, 693070), (35140, 574258), (36395, 554456), (39604, 509530), (49505, 407624), (50953, 396040), (58232, 346535), (69307, 291160), (70280, 287129), (72790, 277228), (79208, 254765), (99010, 203812), (101906, 198020), (138614, 145580)]