20535900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1$

素因数の和:169

約数の個数: 216

約数和(自身を含む): 75995136

約数和(自身を除く): 55459236

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 25, 28, 30, 33, 35, 42, 44, 49, 50, 55, 60, 66, 70, 75, 77, 84, 98, 100, 105, 110, 127, 132, 140, 147, 150, 154, 165, 175, 196, 210, 220, 231, 245, 254, 275, 294, 300, 308, 330, 350, 381, 385, 420, 462, 490, 508, 525, 539, 550, 588, 635, 660, 700, 735, 762, 770, 825, 889, 924, 980, 1050, 1078, 1100, 1155, 1225, 1270, 1397, 1470, 1524, 1540, 1617, 1650, 1778, 1905, 1925, 2100, 2156, 2310, 2450, 2540, 2667, 2695, 2794, 2940, 3175, 3234, 3300, 3556, 3675, 3810, 3850, 4191, 4445, 4620, 4900, 5334, 5390, 5588, 5775, 6223, 6350, 6468, 6985, 7350, 7620, 7700, 8085, 8382, 8890, 9525, 9779, 10668, 10780, 11550, 12446, 12700, 13335, 13475, 13970, 14700, 16170, 16764, 17780, 18669, 19050, 19558, 20955, 22225, 23100, 24892, 26670, 26950, 27940, 29337, 31115, 32340, 34925, 37338, 38100, 39116, 40425, 41910, 44450, 48895, 53340, 53900, 58674, 62230, 66675, 68453, 69850, 74676, 80850, 83820, 88900, 93345, 97790, 104775, 117348, 124460, 133350, 136906, 139700, 146685, 155575, 161700, 186690, 195580, 205359, 209550, 244475, 266700, 273812, 293370, 311150, 342265, 373380, 410718, 419100, 466725, 488950, 586740, 622300, 684530, 733425, 821436, 933450, 977900, 1026795, 1369060, 1466850, 1711325, 1866900, 2053590, 2933700, 3422650, 4107180, 5133975, 6845300, 10267950, 20535900]

約数ペア:

[(1, 20535900), (2, 10267950), (3, 6845300), (4, 5133975), (5, 4107180), (6, 3422650), (7, 2933700), (10, 2053590), (11, 1866900), (12, 1711325), (14, 1466850), (15, 1369060), (20, 1026795), (21, 977900), (22, 933450), (25, 821436), (28, 733425), (30, 684530), (33, 622300), (35, 586740), (42, 488950), (44, 466725), (49, 419100), (50, 410718), (55, 373380), (60, 342265), (66, 311150), (70, 293370), (75, 273812), (77, 266700), (84, 244475), (98, 209550), (100, 205359), (105, 195580), (110, 186690), (127, 161700), (132, 155575), (140, 146685), (147, 139700), (150, 136906), (154, 133350), (165, 124460), (175, 117348), (196, 104775), (210, 97790), (220, 93345), (231, 88900), (245, 83820), (254, 80850), (275, 74676), (294, 69850), (300, 68453), (308, 66675), (330, 62230), (350, 58674), (381, 53900), (385, 53340), (420, 48895), (462, 44450), (490, 41910), (508, 40425), (525, 39116), (539, 38100), (550, 37338), (588, 34925), (635, 32340), (660, 31115), (700, 29337), (735, 27940), (762, 26950), (770, 26670), (825, 24892), (889, 23100), (924, 22225), (980, 20955), (1050, 19558), (1078, 19050), (1100, 18669), (1155, 17780), (1225, 16764), (1270, 16170), (1397, 14700), (1470, 13970), (1524, 13475), (1540, 13335), (1617, 12700), (1650, 12446), (1778, 11550), (1905, 10780), (1925, 10668), (2100, 9779), (2156, 9525), (2310, 8890), (2450, 8382), (2540, 8085), (2667, 7700), (2695, 7620), (2794, 7350), (2940, 6985), (3175, 6468), (3234, 6350), (3300, 6223), (3556, 5775), (3675, 5588), (3810, 5390), (3850, 5334), (4191, 4900), (4445, 4620)]