20941800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1$

素因数の和:216

約数の個数: 192

約数和(自身を含む): 74995200

約数和(自身を除く): 54053400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 19, 20, 22, 24, 25, 30, 33, 38, 40, 44, 50, 55, 57, 60, 66, 75, 76, 88, 95, 100, 110, 114, 120, 132, 150, 152, 165, 167, 190, 200, 209, 220, 228, 264, 275, 285, 300, 330, 334, 380, 418, 440, 456, 475, 501, 550, 570, 600, 627, 660, 668, 760, 825, 835, 836, 950, 1002, 1045, 1100, 1140, 1254, 1320, 1336, 1425, 1650, 1670, 1672, 1837, 1900, 2004, 2090, 2200, 2280, 2505, 2508, 2850, 3135, 3173, 3300, 3340, 3674, 3800, 4008, 4175, 4180, 5010, 5016, 5225, 5511, 5700, 6270, 6346, 6600, 6680, 7348, 8350, 8360, 9185, 9519, 10020, 10450, 11022, 11400, 12525, 12540, 12692, 14696, 15675, 15865, 16700, 18370, 19038, 20040, 20900, 22044, 25050, 25080, 25384, 27555, 31350, 31730, 33400, 34903, 36740, 38076, 41800, 44088, 45925, 47595, 50100, 55110, 62700, 63460, 69806, 73480, 76152, 79325, 91850, 95190, 100200, 104709, 110220, 125400, 126920, 137775, 139612, 158650, 174515, 183700, 190380, 209418, 220440, 237975, 275550, 279224, 317300, 349030, 367400, 380760, 418836, 475950, 523545, 551100, 634600, 698060, 837672, 872575, 951900, 1047090, 1102200, 1396120, 1745150, 1903800, 2094180, 2617725, 3490300, 4188360, 5235450, 6980600, 10470900, 20941800]

約数ペア:

[(1, 20941800), (2, 10470900), (3, 6980600), (4, 5235450), (5, 4188360), (6, 3490300), (8, 2617725), (10, 2094180), (11, 1903800), (12, 1745150), (15, 1396120), (19, 1102200), (20, 1047090), (22, 951900), (24, 872575), (25, 837672), (30, 698060), (33, 634600), (38, 551100), (40, 523545), (44, 475950), (50, 418836), (55, 380760), (57, 367400), (60, 349030), (66, 317300), (75, 279224), (76, 275550), (88, 237975), (95, 220440), (100, 209418), (110, 190380), (114, 183700), (120, 174515), (132, 158650), (150, 139612), (152, 137775), (165, 126920), (167, 125400), (190, 110220), (200, 104709), (209, 100200), (220, 95190), (228, 91850), (264, 79325), (275, 76152), (285, 73480), (300, 69806), (330, 63460), (334, 62700), (380, 55110), (418, 50100), (440, 47595), (456, 45925), (475, 44088), (501, 41800), (550, 38076), (570, 36740), (600, 34903), (627, 33400), (660, 31730), (668, 31350), (760, 27555), (825, 25384), (835, 25080), (836, 25050), (950, 22044), (1002, 20900), (1045, 20040), (1100, 19038), (1140, 18370), (1254, 16700), (1320, 15865), (1336, 15675), (1425, 14696), (1650, 12692), (1670, 12540), (1672, 12525), (1837, 11400), (1900, 11022), (2004, 10450), (2090, 10020), (2200, 9519), (2280, 9185), (2505, 8360), (2508, 8350), (2850, 7348), (3135, 6680), (3173, 6600), (3300, 6346), (3340, 6270), (3674, 5700), (3800, 5511), (4008, 5225), (4175, 5016), (4180, 5010)]