20989459752

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1244041}}^1$

素因数の和:1244106

約数の個数: 64

約数和(自身を含む): 56728315200

約数和(自身を除く): 35738855448

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 37, 38, 57, 74, 76, 111, 114, 148, 152, 222, 228, 296, 444, 456, 703, 888, 1406, 2109, 2812, 4218, 5624, 8436, 16872, 1244041, 2488082, 3732123, 4976164, 7464246, 9952328, 14928492, 23636779, 29856984, 46029517, 47273558, 70910337, 92059034, 94547116, 138088551, 141820674, 184118068, 189094232, 276177102, 283641348, 368236136, 552354204, 567282696, 874560823, 1104708408, 1749121646, 2623682469, 3498243292, 5247364938, 6996486584, 10494729876, 20989459752]

約数ペア:

[(1, 20989459752), (2, 10494729876), (3, 6996486584), (4, 5247364938), (6, 3498243292), (8, 2623682469), (12, 1749121646), (19, 1104708408), (24, 874560823), (37, 567282696), (38, 552354204), (57, 368236136), (74, 283641348), (76, 276177102), (111, 189094232), (114, 184118068), (148, 141820674), (152, 138088551), (222, 94547116), (228, 92059034), (296, 70910337), (444, 47273558), (456, 46029517), (703, 29856984), (888, 23636779), (1406, 14928492), (2109, 9952328), (2812, 7464246), (4218, 4976164), (5624, 3732123), (8436, 2488082), (16872, 1244041)]