20128030412

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1013}}^1\times {\mathrm{9721}}^1$

素因数の和:10818

約数の個数: 48

約数和(自身を含む): 40851999552

約数和(自身を除く): 20723969140

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 1013, 1022, 2026, 2044, 4052, 7091, 9721, 14182, 19442, 28364, 38884, 68047, 73949, 136094, 147898, 272188, 295796, 517643, 709633, 1035286, 1419266, 2070572, 2838532, 4967431, 9847373, 9934862, 19694746, 19869724, 39389492, 68931611, 137863222, 275726444, 718858229, 1437716458, 2875432916, 5032007603, 10064015206, 20128030412]

約数ペア:

[(1, 20128030412), (2, 10064015206), (4, 5032007603), (7, 2875432916), (14, 1437716458), (28, 718858229), (73, 275726444), (146, 137863222), (292, 68931611), (511, 39389492), (1013, 19869724), (1022, 19694746), (2026, 9934862), (2044, 9847373), (4052, 4967431), (7091, 2838532), (9721, 2070572), (14182, 1419266), (19442, 1035286), (28364, 709633), (38884, 517643), (68047, 295796), (73949, 272188), (136094, 147898)]