20125971904

素因数分解:

$2^6\times {\mathrm{263}}^1\times {\mathrm{719}}^1\times {\mathrm{1663}}^1$

素因数の和:2657

約数の個数: 56

約数和(自身を含む): 40169226240

約数和(自身を除く): 20043254336

約数列:

[1, 2, 4, 8, 16, 32, 64, 263, 526, 719, 1052, 1438, 1663, 2104, 2876, 3326, 4208, 5752, 6652, 8416, 11504, 13304, 16832, 23008, 26608, 46016, 53216, 106432, 189097, 378194, 437369, 756388, 874738, 1195697, 1512776, 1749476, 2391394, 3025552, 3498952, 4782788, 6051104, 6997904, 9565576, 12102208, 13995808, 19131152, 27991616, 38262304, 76524608, 314468311, 628936622, 1257873244, 2515746488, 5031492976, 10062985952, 20125971904]

約数ペア:

[(1, 20125971904), (2, 10062985952), (4, 5031492976), (8, 2515746488), (16, 1257873244), (32, 628936622), (64, 314468311), (263, 76524608), (526, 38262304), (719, 27991616), (1052, 19131152), (1438, 13995808), (1663, 12102208), (2104, 9565576), (2876, 6997904), (3326, 6051104), (4208, 4782788), (5752, 3498952), (6652, 3025552), (8416, 2391394), (11504, 1749476), (13304, 1512776), (16832, 1195697), (23008, 874738), (26608, 756388), (46016, 437369), (53216, 378194), (106432, 189097)]