20945800064

素因数分解:

$2^7\times 7^1\times {\mathrm{73}}^1\times {\mathrm{431}}^1\times {\mathrm{743}}^1$

素因数の和:1268

約数の個数: 128

約数和(自身を含む): 48519751680

約数和(自身を除く): 27573951616

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 73, 112, 128, 146, 224, 292, 431, 448, 511, 584, 743, 862, 896, 1022, 1168, 1486, 1724, 2044, 2336, 2972, 3017, 3448, 4088, 4672, 5201, 5944, 6034, 6896, 8176, 9344, 10402, 11888, 12068, 13792, 16352, 20804, 23776, 24136, 27584, 31463, 32704, 41608, 47552, 48272, 54239, 55168, 62926, 65408, 83216, 95104, 96544, 108478, 125852, 166432, 193088, 216956, 220241, 251704, 320233, 332864, 379673, 386176, 433912, 440482, 503408, 640466, 665728, 759346, 867824, 880964, 1006816, 1280932, 1518692, 1735648, 1761928, 2013632, 2241631, 2561864, 3037384, 3471296, 3523856, 4027264, 4483262, 5123728, 6074768, 6942592, 7047712, 8966524, 10247456, 12149536, 14095424, 17933048, 20494912, 23377009, 24299072, 28190848, 35866096, 40989824, 46754018, 48598144, 71732192, 93508036, 143464384, 163639063, 187016072, 286928768, 327278126, 374032144, 654556252, 748064288, 1309112504, 1496128576, 2618225008, 2992257152, 5236450016, 10472900032, 20945800064]

約数ペア:

[(1, 20945800064), (2, 10472900032), (4, 5236450016), (7, 2992257152), (8, 2618225008), (14, 1496128576), (16, 1309112504), (28, 748064288), (32, 654556252), (56, 374032144), (64, 327278126), (73, 286928768), (112, 187016072), (128, 163639063), (146, 143464384), (224, 93508036), (292, 71732192), (431, 48598144), (448, 46754018), (511, 40989824), (584, 35866096), (743, 28190848), (862, 24299072), (896, 23377009), (1022, 20494912), (1168, 17933048), (1486, 14095424), (1724, 12149536), (2044, 10247456), (2336, 8966524), (2972, 7047712), (3017, 6942592), (3448, 6074768), (4088, 5123728), (4672, 4483262), (5201, 4027264), (5944, 3523856), (6034, 3471296), (6896, 3037384), (8176, 2561864), (9344, 2241631), (10402, 2013632), (11888, 1761928), (12068, 1735648), (13792, 1518692), (16352, 1280932), (20804, 1006816), (23776, 880964), (24136, 867824), (27584, 759346), (31463, 665728), (32704, 640466), (41608, 503408), (47552, 440482), (48272, 433912), (54239, 386176), (55168, 379673), (62926, 332864), (65408, 320233), (83216, 251704), (95104, 220241), (96544, 216956), (108478, 193088), (125852, 166432)]