20145473908

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2851}}^1\times {\mathrm{3457}}^1$

素因数の和:6392

約数の個数: 48

約数和(自身を含む): 40869023104

約数和(自身を除く): 20723549196

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 1022, 2044, 2851, 3457, 5702, 6914, 11404, 13828, 19957, 24199, 39914, 48398, 79828, 96796, 208123, 252361, 416246, 504722, 832492, 1009444, 1456861, 1766527, 2913722, 3533054, 5827444, 7066108, 9855907, 19711814, 39423628, 68991349, 137982698, 275965396, 719481211, 1438962422, 2877924844, 5036368477, 10072736954, 20145473908]

約数ペア:

[(1, 20145473908), (2, 10072736954), (4, 5036368477), (7, 2877924844), (14, 1438962422), (28, 719481211), (73, 275965396), (146, 137982698), (292, 68991349), (511, 39423628), (1022, 19711814), (2044, 9855907), (2851, 7066108), (3457, 5827444), (5702, 3533054), (6914, 2913722), (11404, 1766527), (13828, 1456861), (19957, 1009444), (24199, 832492), (39914, 504722), (48398, 416246), (79828, 252361), (96796, 208123)]