20219262424

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1\times {\mathrm{1487}}^1$

素因数の和:2248

約数の個数: 64

約数和(自身を含む): 39571752960

約数和(自身を除く): 19352490536

約数列:

[1, 2, 4, 8, 37, 71, 74, 142, 148, 284, 296, 568, 647, 1294, 1487, 2588, 2627, 2974, 5176, 5254, 5948, 10508, 11896, 21016, 23939, 45937, 47878, 55019, 91874, 95756, 105577, 110038, 183748, 191512, 211154, 220076, 367496, 422308, 440152, 844616, 962089, 1699669, 1924178, 3399338, 3848356, 3906349, 6798676, 7696712, 7812698, 13597352, 15625396, 31250792, 35597293, 68308319, 71194586, 136616638, 142389172, 273233276, 284778344, 546466552, 2527407803, 5054815606, 10109631212, 20219262424]

約数ペア:

[(1, 20219262424), (2, 10109631212), (4, 5054815606), (8, 2527407803), (37, 546466552), (71, 284778344), (74, 273233276), (142, 142389172), (148, 136616638), (284, 71194586), (296, 68308319), (568, 35597293), (647, 31250792), (1294, 15625396), (1487, 13597352), (2588, 7812698), (2627, 7696712), (2974, 6798676), (5176, 3906349), (5254, 3848356), (5948, 3399338), (10508, 1924178), (11896, 1699669), (21016, 962089), (23939, 844616), (45937, 440152), (47878, 422308), (55019, 367496), (91874, 220076), (95756, 211154), (105577, 191512), (110038, 183748)]