20907072

素因数分解:

$2^6\times 3^4\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:170

約数の個数: 140

約数和(自身を含む): 64234060

約数和(自身を除く): 43326988

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 37, 48, 54, 64, 72, 74, 81, 96, 108, 109, 111, 144, 148, 162, 192, 216, 218, 222, 288, 296, 324, 327, 333, 432, 436, 444, 576, 592, 648, 654, 666, 864, 872, 888, 981, 999, 1184, 1296, 1308, 1332, 1728, 1744, 1776, 1962, 1998, 2368, 2592, 2616, 2664, 2943, 2997, 3488, 3552, 3924, 3996, 4033, 5184, 5232, 5328, 5886, 5994, 6976, 7104, 7848, 7992, 8066, 8829, 10464, 10656, 11772, 11988, 12099, 15696, 15984, 16132, 17658, 20928, 21312, 23544, 23976, 24198, 31392, 31968, 32264, 35316, 36297, 47088, 47952, 48396, 62784, 63936, 64528, 70632, 72594, 94176, 95904, 96792, 108891, 129056, 141264, 145188, 188352, 191808, 193584, 217782, 258112, 282528, 290376, 326673, 387168, 435564, 565056, 580752, 653346, 774336, 871128, 1161504, 1306692, 1742256, 2323008, 2613384, 3484512, 5226768, 6969024, 10453536, 20907072]

約数ペア:

[(1, 20907072), (2, 10453536), (3, 6969024), (4, 5226768), (6, 3484512), (8, 2613384), (9, 2323008), (12, 1742256), (16, 1306692), (18, 1161504), (24, 871128), (27, 774336), (32, 653346), (36, 580752), (37, 565056), (48, 435564), (54, 387168), (64, 326673), (72, 290376), (74, 282528), (81, 258112), (96, 217782), (108, 193584), (109, 191808), (111, 188352), (144, 145188), (148, 141264), (162, 129056), (192, 108891), (216, 96792), (218, 95904), (222, 94176), (288, 72594), (296, 70632), (324, 64528), (327, 63936), (333, 62784), (432, 48396), (436, 47952), (444, 47088), (576, 36297), (592, 35316), (648, 32264), (654, 31968), (666, 31392), (864, 24198), (872, 23976), (888, 23544), (981, 21312), (999, 20928), (1184, 17658), (1296, 16132), (1308, 15984), (1332, 15696), (1728, 12099), (1744, 11988), (1776, 11772), (1962, 10656), (1998, 10464), (2368, 8829), (2592, 8066), (2616, 7992), (2664, 7848), (2943, 7104), (2997, 6976), (3488, 5994), (3552, 5886), (3924, 5328), (3996, 5232), (4033, 5184)]