20212686438

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2657}}^1\times {\mathrm{9533}}^1$

素因数の和:12221

約数の個数: 64

約数和(自身を含む): 48655434240

約数和(自身を除く): 28442747802

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 2657, 5314, 7971, 9533, 15942, 18599, 19066, 28599, 37198, 50483, 55797, 57198, 66731, 100966, 111594, 133462, 151449, 181127, 200193, 302898, 353381, 362254, 400386, 543381, 706762, 1060143, 1086762, 1267889, 2120286, 2535778, 3803667, 7607334, 25329181, 50658362, 75987543, 151975086, 177304267, 354608534, 481254439, 531912801, 962508878, 1063825602, 1443763317, 2887526634, 3368781073, 6737562146, 10106343219, 20212686438]

約数ペア:

[(1, 20212686438), (2, 10106343219), (3, 6737562146), (6, 3368781073), (7, 2887526634), (14, 1443763317), (19, 1063825602), (21, 962508878), (38, 531912801), (42, 481254439), (57, 354608534), (114, 177304267), (133, 151975086), (266, 75987543), (399, 50658362), (798, 25329181), (2657, 7607334), (5314, 3803667), (7971, 2535778), (9533, 2120286), (15942, 1267889), (18599, 1086762), (19066, 1060143), (28599, 706762), (37198, 543381), (50483, 400386), (55797, 362254), (57198, 353381), (66731, 302898), (100966, 200193), (111594, 181127), (133462, 151449)]