20365884

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:141

約数の個数: 192

約数和(自身を含む): 68812800

約数和(自身を除く): 48446916

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 27, 28, 31, 33, 36, 42, 44, 54, 62, 63, 66, 77, 79, 84, 93, 99, 108, 124, 126, 132, 154, 158, 186, 189, 198, 217, 231, 237, 252, 279, 297, 308, 316, 341, 372, 378, 396, 434, 462, 474, 553, 558, 594, 651, 682, 693, 711, 756, 837, 868, 869, 924, 948, 1023, 1106, 1116, 1188, 1302, 1364, 1386, 1422, 1659, 1674, 1738, 1953, 2046, 2079, 2133, 2212, 2387, 2449, 2604, 2607, 2772, 2844, 3069, 3318, 3348, 3476, 3906, 4092, 4158, 4266, 4774, 4898, 4977, 5214, 5859, 6083, 6138, 6636, 7161, 7347, 7812, 7821, 8316, 8532, 9207, 9548, 9796, 9954, 10428, 11718, 12166, 12276, 14322, 14694, 14931, 15642, 17143, 18249, 18414, 19908, 21483, 22041, 23436, 23463, 24332, 26939, 28644, 29388, 29862, 31284, 34286, 36498, 36828, 42966, 44082, 46926, 51429, 53878, 54747, 59724, 64449, 66123, 68572, 72996, 80817, 85932, 88164, 93852, 102858, 107756, 109494, 128898, 132246, 154287, 161634, 164241, 188573, 205716, 218988, 242451, 257796, 264492, 308574, 323268, 328482, 377146, 462861, 484902, 565719, 617148, 656964, 727353, 754292, 925722, 969804, 1131438, 1454706, 1697157, 1851444, 2262876, 2909412, 3394314, 5091471, 6788628, 10182942, 20365884]

約数ペア:

[(1, 20365884), (2, 10182942), (3, 6788628), (4, 5091471), (6, 3394314), (7, 2909412), (9, 2262876), (11, 1851444), (12, 1697157), (14, 1454706), (18, 1131438), (21, 969804), (22, 925722), (27, 754292), (28, 727353), (31, 656964), (33, 617148), (36, 565719), (42, 484902), (44, 462861), (54, 377146), (62, 328482), (63, 323268), (66, 308574), (77, 264492), (79, 257796), (84, 242451), (93, 218988), (99, 205716), (108, 188573), (124, 164241), (126, 161634), (132, 154287), (154, 132246), (158, 128898), (186, 109494), (189, 107756), (198, 102858), (217, 93852), (231, 88164), (237, 85932), (252, 80817), (279, 72996), (297, 68572), (308, 66123), (316, 64449), (341, 59724), (372, 54747), (378, 53878), (396, 51429), (434, 46926), (462, 44082), (474, 42966), (553, 36828), (558, 36498), (594, 34286), (651, 31284), (682, 29862), (693, 29388), (711, 28644), (756, 26939), (837, 24332), (868, 23463), (869, 23436), (924, 22041), (948, 21483), (1023, 19908), (1106, 18414), (1116, 18249), (1188, 17143), (1302, 15642), (1364, 14931), (1386, 14694), (1422, 14322), (1659, 12276), (1674, 12166), (1738, 11718), (1953, 10428), (2046, 9954), (2079, 9796), (2133, 9548), (2212, 9207), (2387, 8532), (2449, 8316), (2604, 7821), (2607, 7812), (2772, 7347), (2844, 7161), (3069, 6636), (3318, 6138), (3348, 6083), (3476, 5859), (3906, 5214), (4092, 4977), (4158, 4898), (4266, 4774)]