20195048500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1\times {\mathrm{281}}^1$

素因数の和:563

約数の個数: 192

約数和(自身を含む): 49221768960

約数和(自身を除く): 29026720460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 73, 100, 110, 125, 146, 179, 220, 250, 275, 281, 292, 358, 365, 500, 550, 562, 716, 730, 803, 895, 1100, 1124, 1375, 1405, 1460, 1606, 1790, 1825, 1969, 2750, 2810, 3091, 3212, 3580, 3650, 3938, 4015, 4475, 5500, 5620, 6182, 7025, 7300, 7876, 8030, 8950, 9125, 9845, 12364, 13067, 14050, 15455, 16060, 17900, 18250, 19690, 20075, 20513, 22375, 26134, 28100, 30910, 35125, 36500, 39380, 40150, 41026, 44750, 49225, 50299, 52268, 61820, 65335, 70250, 77275, 80300, 82052, 89500, 98450, 100375, 100598, 102565, 130670, 140500, 143737, 154550, 196900, 200750, 201196, 205130, 225643, 246125, 251495, 261340, 287474, 309100, 326675, 386375, 401500, 410260, 451286, 492250, 502990, 512825, 553289, 574948, 653350, 718685, 772750, 902572, 984500, 1005980, 1025650, 1106578, 1128215, 1257475, 1306700, 1437370, 1545500, 1633375, 2051300, 2213156, 2256430, 2514950, 2564125, 2766445, 2874740, 3266750, 3593425, 3671827, 4512860, 5029900, 5128250, 5532890, 5641075, 6287375, 6533500, 7186850, 7343654, 10256500, 11065780, 11282150, 12574750, 13832225, 14373700, 14687308, 17967125, 18359135, 22564300, 25149500, 27664450, 28205375, 35934250, 36718270, 40390097, 55328900, 56410750, 69161125, 71868500, 73436540, 80780194, 91795675, 112821500, 138322250, 161560388, 183591350, 201950485, 276644500, 367182700, 403900970, 458978375, 807801940, 917956750, 1009752425, 1835913500, 2019504850, 4039009700, 5048762125, 10097524250, 20195048500]

約数ペア:

[(1, 20195048500), (2, 10097524250), (4, 5048762125), (5, 4039009700), (10, 2019504850), (11, 1835913500), (20, 1009752425), (22, 917956750), (25, 807801940), (44, 458978375), (50, 403900970), (55, 367182700), (73, 276644500), (100, 201950485), (110, 183591350), (125, 161560388), (146, 138322250), (179, 112821500), (220, 91795675), (250, 80780194), (275, 73436540), (281, 71868500), (292, 69161125), (358, 56410750), (365, 55328900), (500, 40390097), (550, 36718270), (562, 35934250), (716, 28205375), (730, 27664450), (803, 25149500), (895, 22564300), (1100, 18359135), (1124, 17967125), (1375, 14687308), (1405, 14373700), (1460, 13832225), (1606, 12574750), (1790, 11282150), (1825, 11065780), (1969, 10256500), (2750, 7343654), (2810, 7186850), (3091, 6533500), (3212, 6287375), (3580, 5641075), (3650, 5532890), (3938, 5128250), (4015, 5029900), (4475, 4512860), (5500, 3671827), (5620, 3593425), (6182, 3266750), (7025, 2874740), (7300, 2766445), (7876, 2564125), (8030, 2514950), (8950, 2256430), (9125, 2213156), (9845, 2051300), (12364, 1633375), (13067, 1545500), (14050, 1437370), (15455, 1306700), (16060, 1257475), (17900, 1128215), (18250, 1106578), (19690, 1025650), (20075, 1005980), (20513, 984500), (22375, 902572), (26134, 772750), (28100, 718685), (30910, 653350), (35125, 574948), (36500, 553289), (39380, 512825), (40150, 502990), (41026, 492250), (44750, 451286), (49225, 410260), (50299, 401500), (52268, 386375), (61820, 326675), (65335, 309100), (70250, 287474), (77275, 261340), (80300, 251495), (82052, 246125), (89500, 225643), (98450, 205130), (100375, 201196), (100598, 200750), (102565, 196900), (130670, 154550), (140500, 143737)]