20295024880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{415201}}^1$

素因数の和:415274

約数の個数: 80

約数和(自身を含む): 51896928384

約数和(自身を除く): 31601903504

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 47, 52, 65, 80, 94, 104, 130, 188, 208, 235, 260, 376, 470, 520, 611, 752, 940, 1040, 1222, 1880, 2444, 3055, 3760, 4888, 6110, 9776, 12220, 24440, 48880, 415201, 830402, 1660804, 2076005, 3321608, 4152010, 5397613, 6643216, 8304020, 10795226, 16608040, 19514447, 21590452, 26988065, 33216080, 39028894, 43180904, 53976130, 78057788, 86361808, 97572235, 107952260, 156115576, 195144470, 215904520, 253687811, 312231152, 390288940, 431809040, 507375622, 780577880, 1014751244, 1268439055, 1561155760, 2029502488, 2536878110, 4059004976, 5073756220, 10147512440, 20295024880]

約数ペア:

[(1, 20295024880), (2, 10147512440), (4, 5073756220), (5, 4059004976), (8, 2536878110), (10, 2029502488), (13, 1561155760), (16, 1268439055), (20, 1014751244), (26, 780577880), (40, 507375622), (47, 431809040), (52, 390288940), (65, 312231152), (80, 253687811), (94, 215904520), (104, 195144470), (130, 156115576), (188, 107952260), (208, 97572235), (235, 86361808), (260, 78057788), (376, 53976130), (470, 43180904), (520, 39028894), (611, 33216080), (752, 26988065), (940, 21590452), (1040, 19514447), (1222, 16608040), (1880, 10795226), (2444, 8304020), (3055, 6643216), (3760, 5397613), (4888, 4152010), (6110, 3321608), (9776, 2076005), (12220, 1660804), (24440, 830402), (48880, 415201)]