20667039088

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{499}}^1\times {\mathrm{1627}}^1$

素因数の和:2214

約数の個数: 80

約数和(自身を含む): 42191248000

約数和(自身を除く): 21524208912

約数列:

[1, 2, 4, 8, 16, 37, 43, 74, 86, 148, 172, 296, 344, 499, 592, 688, 998, 1591, 1627, 1996, 3182, 3254, 3992, 6364, 6508, 7984, 12728, 13016, 18463, 21457, 25456, 26032, 36926, 42914, 60199, 69961, 73852, 85828, 120398, 139922, 147704, 171656, 240796, 279844, 295408, 343312, 481592, 559688, 793909, 811873, 963184, 1119376, 1587818, 1623746, 2588557, 3175636, 3247492, 5177114, 6351272, 6494984, 10354228, 12702544, 12989968, 20708456, 30039301, 34910539, 41416912, 60078602, 69821078, 120157204, 139642156, 240314408, 279284312, 480628816, 558568624, 1291689943, 2583379886, 5166759772, 10333519544, 20667039088]

約数ペア:

[(1, 20667039088), (2, 10333519544), (4, 5166759772), (8, 2583379886), (16, 1291689943), (37, 558568624), (43, 480628816), (74, 279284312), (86, 240314408), (148, 139642156), (172, 120157204), (296, 69821078), (344, 60078602), (499, 41416912), (592, 34910539), (688, 30039301), (998, 20708456), (1591, 12989968), (1627, 12702544), (1996, 10354228), (3182, 6494984), (3254, 6351272), (3992, 5177114), (6364, 3247492), (6508, 3175636), (7984, 2588557), (12728, 1623746), (13016, 1587818), (18463, 1119376), (21457, 963184), (25456, 811873), (26032, 793909), (36926, 559688), (42914, 481592), (60199, 343312), (69961, 295408), (73852, 279844), (85828, 240796), (120398, 171656), (139922, 147704)]