20906424

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1$

素因数の和:455

約数の個数: 160

約数和(自身を含む): 73180800

約数和(自身を除く): 52274376

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, 419, 462, 504, 567, 594, 616, 648, 693, 756, 792, 838, 891, 924, 1134, 1188, 1257, 1386, 1512, 1676, 1782, 1848, 2079, 2268, 2376, 2514, 2772, 2933, 3352, 3564, 3771, 4158, 4536, 4609, 5028, 5544, 5866, 6237, 7128, 7542, 8316, 8799, 9218, 10056, 11313, 11732, 12474, 13827, 15084, 16632, 17598, 18436, 22626, 23464, 24948, 26397, 27654, 30168, 32263, 33939, 35196, 36872, 41481, 45252, 49896, 52794, 55308, 64526, 67878, 70392, 79191, 82962, 90504, 96789, 105588, 110616, 124443, 129052, 135756, 158382, 165924, 193578, 211176, 237573, 248886, 258104, 271512, 290367, 316764, 331848, 373329, 387156, 475146, 497772, 580734, 633528, 746658, 774312, 871101, 950292, 995544, 1161468, 1493316, 1742202, 1900584, 2322936, 2613303, 2986632, 3484404, 5226606, 6968808, 10453212, 20906424]

約数ペア:

[(1, 20906424), (2, 10453212), (3, 6968808), (4, 5226606), (6, 3484404), (7, 2986632), (8, 2613303), (9, 2322936), (11, 1900584), (12, 1742202), (14, 1493316), (18, 1161468), (21, 995544), (22, 950292), (24, 871101), (27, 774312), (28, 746658), (33, 633528), (36, 580734), (42, 497772), (44, 475146), (54, 387156), (56, 373329), (63, 331848), (66, 316764), (72, 290367), (77, 271512), (81, 258104), (84, 248886), (88, 237573), (99, 211176), (108, 193578), (126, 165924), (132, 158382), (154, 135756), (162, 129052), (168, 124443), (189, 110616), (198, 105588), (216, 96789), (231, 90504), (252, 82962), (264, 79191), (297, 70392), (308, 67878), (324, 64526), (378, 55308), (396, 52794), (419, 49896), (462, 45252), (504, 41481), (567, 36872), (594, 35196), (616, 33939), (648, 32263), (693, 30168), (756, 27654), (792, 26397), (838, 24948), (891, 23464), (924, 22626), (1134, 18436), (1188, 17598), (1257, 16632), (1386, 15084), (1512, 13827), (1676, 12474), (1782, 11732), (1848, 11313), (2079, 10056), (2268, 9218), (2376, 8799), (2514, 8316), (2772, 7542), (2933, 7128), (3352, 6237), (3564, 5866), (3771, 5544), (4158, 5028), (4536, 4609)]