20161920108

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{236077}}^1$

素因数の和:236742

約数の個数: 48

約数和(自身を含む): 51400790784

約数和(自身を除く): 31238870676

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 647, 1294, 1941, 2588, 3882, 7117, 7764, 14234, 21351, 28468, 42702, 85404, 236077, 472154, 708231, 944308, 1416462, 2596847, 2832924, 5193694, 7790541, 10387388, 15581082, 31162164, 152741819, 305483638, 458225457, 610967276, 916450914, 1680160009, 1832901828, 3360320018, 5040480027, 6720640036, 10080960054, 20161920108]

約数ペア:

[(1, 20161920108), (2, 10080960054), (3, 6720640036), (4, 5040480027), (6, 3360320018), (11, 1832901828), (12, 1680160009), (22, 916450914), (33, 610967276), (44, 458225457), (66, 305483638), (132, 152741819), (647, 31162164), (1294, 15581082), (1941, 10387388), (2588, 7790541), (3882, 5193694), (7117, 2832924), (7764, 2596847), (14234, 1416462), (21351, 944308), (28468, 708231), (42702, 472154), (85404, 236077)]