20787360

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:187

約数の個数: 192

約数和(自身を含む): 74317824

約数和(自身を除く): 53530464

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 31, 32, 33, 40, 44, 48, 55, 60, 62, 66, 80, 88, 93, 96, 110, 120, 124, 127, 132, 155, 160, 165, 176, 186, 220, 240, 248, 254, 264, 310, 330, 341, 352, 372, 381, 440, 465, 480, 496, 508, 528, 620, 635, 660, 682, 744, 762, 880, 930, 992, 1016, 1023, 1056, 1240, 1270, 1320, 1364, 1397, 1488, 1524, 1705, 1760, 1860, 1905, 2032, 2046, 2480, 2540, 2640, 2728, 2794, 2976, 3048, 3410, 3720, 3810, 3937, 4064, 4092, 4191, 4960, 5080, 5115, 5280, 5456, 5588, 6096, 6820, 6985, 7440, 7620, 7874, 8184, 8382, 10160, 10230, 10912, 11176, 11811, 12192, 13640, 13970, 14880, 15240, 15748, 16368, 16764, 19685, 20320, 20460, 20955, 22352, 23622, 27280, 27940, 30480, 31496, 32736, 33528, 39370, 40920, 41910, 43307, 44704, 47244, 54560, 55880, 59055, 60960, 62992, 67056, 78740, 81840, 83820, 86614, 94488, 111760, 118110, 125984, 129921, 134112, 157480, 163680, 167640, 173228, 188976, 216535, 223520, 236220, 259842, 314960, 335280, 346456, 377952, 433070, 472440, 519684, 629920, 649605, 670560, 692912, 866140, 944880, 1039368, 1299210, 1385824, 1732280, 1889760, 2078736, 2598420, 3464560, 4157472, 5196840, 6929120, 10393680, 20787360]

約数ペア:

[(1, 20787360), (2, 10393680), (3, 6929120), (4, 5196840), (5, 4157472), (6, 3464560), (8, 2598420), (10, 2078736), (11, 1889760), (12, 1732280), (15, 1385824), (16, 1299210), (20, 1039368), (22, 944880), (24, 866140), (30, 692912), (31, 670560), (32, 649605), (33, 629920), (40, 519684), (44, 472440), (48, 433070), (55, 377952), (60, 346456), (62, 335280), (66, 314960), (80, 259842), (88, 236220), (93, 223520), (96, 216535), (110, 188976), (120, 173228), (124, 167640), (127, 163680), (132, 157480), (155, 134112), (160, 129921), (165, 125984), (176, 118110), (186, 111760), (220, 94488), (240, 86614), (248, 83820), (254, 81840), (264, 78740), (310, 67056), (330, 62992), (341, 60960), (352, 59055), (372, 55880), (381, 54560), (440, 47244), (465, 44704), (480, 43307), (496, 41910), (508, 40920), (528, 39370), (620, 33528), (635, 32736), (660, 31496), (682, 30480), (744, 27940), (762, 27280), (880, 23622), (930, 22352), (992, 20955), (1016, 20460), (1023, 20320), (1056, 19685), (1240, 16764), (1270, 16368), (1320, 15748), (1364, 15240), (1397, 14880), (1488, 13970), (1524, 13640), (1705, 12192), (1760, 11811), (1860, 11176), (1905, 10912), (2032, 10230), (2046, 10160), (2480, 8382), (2540, 8184), (2640, 7874), (2728, 7620), (2794, 7440), (2976, 6985), (3048, 6820), (3410, 6096), (3720, 5588), (3810, 5456), (3937, 5280), (4064, 5115), (4092, 5080), (4191, 4960)]