20479800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:166

約数の個数: 192

約数和(自身を含む): 72316800

約数和(自身を除く): 51837000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 25, 29, 30, 33, 40, 44, 50, 55, 58, 60, 66, 75, 87, 88, 100, 107, 110, 116, 120, 132, 145, 150, 165, 174, 200, 214, 220, 232, 264, 275, 290, 300, 319, 321, 330, 348, 428, 435, 440, 535, 550, 580, 600, 638, 642, 660, 696, 725, 825, 856, 870, 957, 1070, 1100, 1160, 1177, 1276, 1284, 1320, 1450, 1595, 1605, 1650, 1740, 1914, 2140, 2175, 2200, 2354, 2552, 2568, 2675, 2900, 3103, 3190, 3210, 3300, 3480, 3531, 3828, 4280, 4350, 4708, 4785, 5350, 5800, 5885, 6206, 6380, 6420, 6600, 7062, 7656, 7975, 8025, 8700, 9309, 9416, 9570, 10700, 11770, 12412, 12760, 12840, 14124, 15515, 15950, 16050, 17400, 17655, 18618, 19140, 21400, 23540, 23925, 24824, 28248, 29425, 31030, 31900, 32100, 34133, 35310, 37236, 38280, 46545, 47080, 47850, 58850, 62060, 63800, 64200, 68266, 70620, 74472, 77575, 88275, 93090, 95700, 102399, 117700, 124120, 136532, 141240, 155150, 170665, 176550, 186180, 191400, 204798, 232725, 235400, 273064, 310300, 341330, 353100, 372360, 409596, 465450, 511995, 620600, 682660, 706200, 819192, 853325, 930900, 1023990, 1365320, 1706650, 1861800, 2047980, 2559975, 3413300, 4095960, 5119950, 6826600, 10239900, 20479800]

約数ペア:

[(1, 20479800), (2, 10239900), (3, 6826600), (4, 5119950), (5, 4095960), (6, 3413300), (8, 2559975), (10, 2047980), (11, 1861800), (12, 1706650), (15, 1365320), (20, 1023990), (22, 930900), (24, 853325), (25, 819192), (29, 706200), (30, 682660), (33, 620600), (40, 511995), (44, 465450), (50, 409596), (55, 372360), (58, 353100), (60, 341330), (66, 310300), (75, 273064), (87, 235400), (88, 232725), (100, 204798), (107, 191400), (110, 186180), (116, 176550), (120, 170665), (132, 155150), (145, 141240), (150, 136532), (165, 124120), (174, 117700), (200, 102399), (214, 95700), (220, 93090), (232, 88275), (264, 77575), (275, 74472), (290, 70620), (300, 68266), (319, 64200), (321, 63800), (330, 62060), (348, 58850), (428, 47850), (435, 47080), (440, 46545), (535, 38280), (550, 37236), (580, 35310), (600, 34133), (638, 32100), (642, 31900), (660, 31030), (696, 29425), (725, 28248), (825, 24824), (856, 23925), (870, 23540), (957, 21400), (1070, 19140), (1100, 18618), (1160, 17655), (1177, 17400), (1276, 16050), (1284, 15950), (1320, 15515), (1450, 14124), (1595, 12840), (1605, 12760), (1650, 12412), (1740, 11770), (1914, 10700), (2140, 9570), (2175, 9416), (2200, 9309), (2354, 8700), (2552, 8025), (2568, 7975), (2675, 7656), (2900, 7062), (3103, 6600), (3190, 6420), (3210, 6380), (3300, 6206), (3480, 5885), (3531, 5800), (3828, 5350), (4280, 4785), (4350, 4708)]