20407464

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1$

素因数の和:445

約数の個数: 160

約数和(自身を含む): 71438400

約数和(自身を除く): 51030936

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 18, 21, 22, 24, 27, 28, 33, 36, 42, 44, 54, 56, 63, 66, 72, 77, 81, 84, 88, 99, 108, 126, 132, 154, 162, 168, 189, 198, 216, 231, 252, 264, 297, 308, 324, 378, 396, 409, 462, 504, 567, 594, 616, 648, 693, 756, 792, 818, 891, 924, 1134, 1188, 1227, 1386, 1512, 1636, 1782, 1848, 2079, 2268, 2376, 2454, 2772, 2863, 3272, 3564, 3681, 4158, 4499, 4536, 4908, 5544, 5726, 6237, 7128, 7362, 8316, 8589, 8998, 9816, 11043, 11452, 12474, 13497, 14724, 16632, 17178, 17996, 22086, 22904, 24948, 25767, 26994, 29448, 31493, 33129, 34356, 35992, 40491, 44172, 49896, 51534, 53988, 62986, 66258, 68712, 77301, 80982, 88344, 94479, 103068, 107976, 121473, 125972, 132516, 154602, 161964, 188958, 206136, 231903, 242946, 251944, 265032, 283437, 309204, 323928, 364419, 377916, 463806, 485892, 566874, 618408, 728838, 755832, 850311, 927612, 971784, 1133748, 1457676, 1700622, 1855224, 2267496, 2550933, 2915352, 3401244, 5101866, 6802488, 10203732, 20407464]

約数ペア:

[(1, 20407464), (2, 10203732), (3, 6802488), (4, 5101866), (6, 3401244), (7, 2915352), (8, 2550933), (9, 2267496), (11, 1855224), (12, 1700622), (14, 1457676), (18, 1133748), (21, 971784), (22, 927612), (24, 850311), (27, 755832), (28, 728838), (33, 618408), (36, 566874), (42, 485892), (44, 463806), (54, 377916), (56, 364419), (63, 323928), (66, 309204), (72, 283437), (77, 265032), (81, 251944), (84, 242946), (88, 231903), (99, 206136), (108, 188958), (126, 161964), (132, 154602), (154, 132516), (162, 125972), (168, 121473), (189, 107976), (198, 103068), (216, 94479), (231, 88344), (252, 80982), (264, 77301), (297, 68712), (308, 66258), (324, 62986), (378, 53988), (396, 51534), (409, 49896), (462, 44172), (504, 40491), (567, 35992), (594, 34356), (616, 33129), (648, 31493), (693, 29448), (756, 26994), (792, 25767), (818, 24948), (891, 22904), (924, 22086), (1134, 17996), (1188, 17178), (1227, 16632), (1386, 14724), (1512, 13497), (1636, 12474), (1782, 11452), (1848, 11043), (2079, 9816), (2268, 8998), (2376, 8589), (2454, 8316), (2772, 7362), (2863, 7128), (3272, 6237), (3564, 5726), (3681, 5544), (4158, 4908), (4499, 4536)]